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Buy Baby Car Seats Online for Safe and Comfortable Travel in Japan

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Graco TurboBooster 2.0 Backless Booster Car Seat, Denton
US 店舗
Graco

Graco TurboBooster 2.0 Backless Booster Car Seat, Denton
4.8

20k+ 購入済み

JPY 7774

BubbleBum Inflatable Travel Booster Car Seat - Narrow Backless
US 店舗
bubblebum

BubbleBum Inflatable Travel Booster Car Seat - Narrow Backless
4.3

3k+ 購入済み

JPY 8768

Graco TurboBooster LX Backless Booster with Affix Latch | Backless Booster Seat for Big Kids Transitioning to Vehicle Seat Belt Rio
US 店舗
Graco

Graco TurboBooster LX Backless Booster with Affix Latch | Backless Booster Seat for ...
4.8

3k+ 購入済み

JPY 10757

Graco Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing Car Seat, Highback, to Backless Booster, Cinder
US 店舗
Graco

Graco Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing Car Seat, ...
4.6

2k+ 購入済み

JPY 28654

Graco EasyTurn 360 2-in-1 Rotating Convertible Car Seat, Cyran
US 店舗
Graco

Graco EasyTurn 360 2-in-1 Rotating Convertible Car Seat, Cyran
4.6

2k+ 購入済み

JPY 70415

19% オフ
UberBoost Inflatable Booster Seat for Car, Travel Booster Seat, Black/Gray
US 店舗
Hiccapop

UberBoost Inflatable Booster Seat for Car, Travel Booster Seat, Black/Gray
4.5

2k+ 購入済み

JPY 7068 8768

14% オフ
Baby Trend EZ-LiftTM Plus Infant Car Seat Base, Black Secure Click-in Attachment, Adjustable Recline Positions, Easy-Leveling Setup, Everyday Convenience for Growing Families
US 店舗
Baby Trend

Baby Trend EZ-LiftTM Plus Infant Car Seat Base, Black Secure Click-in Attachment, ...
4.8

1k+ 購入済み

JPY 10110 11751

6% オフ
Evenflo Revolve360 Extend All-in-One Rotating Car Seat
US 店舗
Evenflo

Evenflo Revolve360 Extend All-in-One Rotating Car Seat
4.7

1k+ 購入済み

JPY 88312 94278

Graco Extend2Fit 3-in-1 Convertible Car Seat, Ashten
US 店舗
Graco

Graco Extend2Fit 3-in-1 Convertible Car Seat, Ashten
4.8

1k+ 購入済み

JPY 54506

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black
US 店舗
Diono

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 ...
4.7

1k+ 購入済み

JPY 40586

Safety 1st Ellaris 3-in-1 Convertible Car Seat, Slim Fit Design, Rear & Forward-Facing, 5-Position Headrest, Travel-Friendly with Machine-Washable Seat Pad, London Blue
US 店舗
Safety 1st

Safety 1st Ellaris 3-in-1 Convertible Car Seat, Slim Fit Design, Rear & ...
4.3

1k+ 購入済み

JPY 20700

19% オフ
Britax Skyline 2-Stage Belt-Positioning Booster Car Seat, Dusk - Highback and Backless Seat
US 店舗
Britax

Britax Skyline 2-Stage Belt-Positioning Booster Car Seat, Dusk - Highback and ...
4.7

1k+ 購入済み

JPY 23086 28654

Barbie x Graco Turbobooster 2.0 High Back Booster Seat, Belt Positioning Booster Car Seat for Big Kids
US 店舗
Graco

Barbie x Graco Turbobooster 2.0 High Back Booster Seat, Belt Positioning Booster ...
4.6

1k+ 購入済み

JPY 16722

Evenflo GoTime LX High Back Booster Car Seat
US 店舗
Evenflo

Evenflo GoTime LX High Back Booster Car Seat
4.3

1k+ 購入済み

JPY 11950

Graco SnugRide Lite LX Infant Car Seat, Lightweight Rear-Facing Seat for Babies 430 lb, 4-Position Adjustable Base, Latch Installation & ProtectPlus Engineered, Lilac Mod
US 店舗
Graco

Graco SnugRide Lite LX Infant Car Seat, Lightweight Rear-Facing Seat for Babies 430 ...
4.8

1k+ 購入済み

JPY 28654

14% オフ
Baby Trend Hybrid SI 3-in-1 Combination Booster Seat, Dash Orchid Side-Impact Protection, 3-Stage Growth Design, Adjustable Headrest, Cushioned Comfort
US 店舗
Ba Trend

Baby Trend Hybrid SI 3-in-1 Combination Booster Seat, Dash Orchid Side-Impact ...
4.1

1k+ 購入済み

JPY 17717 20700

Graco Grows4Me 4-in-1 Convertible Car Seat, 10 Years of Use - Infant Car Seat to Toddler, 4 Stages of Use - Rear Facing, Forward Facing, High Back Booster, Backless Booster Seat, West Point Design
US 店舗
Graco

Graco Grows4Me 4-in-1 Convertible Car Seat, 10 Years of Use - Infant Car Seat to ...
4.7

900+ 購入済み

JPY 46551

Safety 1st Boost-and-Go Essential 3-in-1 Booster Car Seat, Highback & Backless Modes, Lightweight, Easy Install, Labrador II
US 店舗
Safety 1st

Safety 1st Boost-and-Go Essential 3-in-1 Booster Car Seat, Highback & Backless ...
4.4

800+ 購入済み

JPY 19904

Chicco GoFit ClearTex Plus Backless Booster Seat, Lower Anchor Attachment
US 店舗
Chicco

Chicco GoFit ClearTex Plus Backless Booster Seat, Lower Anchor Attachment
4.9

800+ 購入済み

JPY 13739

5% オフ
Evenflo Revolve360 Slim 2-in-1 Rotating Car Seat
US 店舗
Evenflo

Evenflo Revolve360 Slim 2-in-1 Rotating Car Seat
4.5

800+ 購入済み

JPY 80358 84335

Graco Extend2Fit 3-in-1 Car Seat Grey Booster Car Seat Convertible
US 店舗
Graco

Graco Extend2Fit 3-in-1 Car Seat Grey Booster Car Seat Convertible
4.8

800+ 購入済み

JPY 56494

Diono Cambria 2 XL, Dual Latch Connectors, 2-in-1 Belt Positioning Booster Seat, High-Back to Backless Booster, Space and Room to Grow, 7 Headrest Positions, 8 Years 1 Booster Seat, Black
US 店舗
Diono

Diono Cambria 2 XL, Dual Latch Connectors, 2-in-1 Belt Positioning Booster Seat, ...
4.6

700+ 購入済み

JPY 22688

Evenflo GoTime No Back Booster Car Seat Static Black
US 店舗
Evenflo

Evenflo GoTime No Back Booster Car Seat Static Black
4.4

600+ 購入済み

JPY 6779

Graco Turn2Me 3-in-1 Rotating Convertible Car Seat, Brighton
US 店舗
Graco

Graco Turn2Me 3-in-1 Rotating Convertible Car Seat, Brighton
4.7

600+ 購入済み

JPY 80358

Graco Contender Slim Convertible Car Seat, West Point
US 店舗
Graco

Graco Contender Slim Convertible Car Seat, West Point
4.3

600+ 購入済み

JPY 38597

Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High Back to Belt-Positioning Booster, High Back Seat for Kids 40-65, and Belt-Positioning 40-100 Pounds, Black Sky
US 店舗
Safety 1st

Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High Back to ...
4.6

500+ 購入済み

JPY 16722

Chicco Fit360 Rotating Convertible Car Seat with Mirror, Rear-Facing
US 店舗
Chicco

Chicco Fit360 Rotating Convertible Car Seat with Mirror, Rear-Facing
4.5

500+ 購入済み

JPY 98255

Joie Base AR Infant Car Seat Base with AntiRebound
US 店舗
Joie

Joie Base AR Infant Car Seat Base with AntiRebound
5

500+ 購入済み

JPY 20700

Diono Connect3 RXT Backless Booster, Slim Fit 3-Across in Many Mid-Sized Sedans and SUVs, for Children from 40-120 lbs., Lightweight with Latch connectors
US 店舗
Diono

Diono Connect3 RXT Backless Booster, Slim Fit 3-Across in Many Mid-Sized Sedans and ...
4.6

500+ 購入済み

JPY 14734

24% オフ
Safety 1st Turn and Go 360 Rotating All-in-One Convertible Car Seat, Black Beauty
US 店舗
Safety 1st

Safety 1st Turn and Go 360 Rotating All-in-One Convertible Car Seat, Black Beauty
4.4

500+ 購入済み

JPY 50529 66437

18% オフ
Diono Solana Lite Backless Booster Car Seat Pack of 2, Lightweight & Portable for Travel, Machine Washable Covers, 40-100 lbs, Pink Cotton Candy
US 店舗
Diono

Diono Solana Lite Backless Booster Car Seat Pack of 2, Lightweight & Portable for ...
4.4

500+ 購入済み

JPY 8768 10755

Graco SnugRide SnugFit DLX Infant Car Seat, Baby Car Seat with Anti Rebound Bar for Extra Safety, SnugLock Easy Install Carseat, Baby Registry Must Have, Gift for New Parents, Maison
US 店舗
Graco

Graco SnugRide SnugFit DLX Infant Car Seat, Baby Car Seat with Anti Rebound Bar for ...
4.8

500+ 購入済み

JPY 48540

15% オフ
Maxi-Cosi Romi 2-in-1 Convertible Car Seat, Infant Baby Seat, Rear & Forward Facing, 5-40 lbs, 30-50 lbs, Lightweight, Latch Installation, Machine-Washable, Travel-Ready, Sea Shadow
US 店舗
Maxi-Cosi

Maxi-Cosi Romi 2-in-1 Convertible Car Seat, Infant Baby Seat, Rear & Forward ...
3.8

500+ 購入済み

JPY 26168 30643

Joie Chili Spin SI 360 Rotating 2-in-1 Car Seat, Convertible
US 店舗
Joie

Joie Chili Spin SI 360 Rotating 2-in-1 Car Seat, Convertible
4.7

400+ 購入済み

JPY 68426

Graco Nautilus 2.0 LX 3-in-1 Convertible Car Seat, Hex
US 店舗
Graco

Graco Nautilus 2.0 LX 3-in-1 Convertible Car Seat, Hex
4.8

400+ 購入済み

JPY 44563

Chicco OneFit LX ClearTex All-in-One Booster Car Seat, LeverLock
US 店舗
Chicco

Chicco OneFit LX ClearTex All-in-One Booster Car Seat, LeverLock
4.8

400+ 購入済み

JPY 64449

16% オフ
Safety 1st Turn and Go 360 DLX 360 Car Seat, Rotating All-in-One Convertible Car Seat, Sand Bucket
US 店舗
Safety 1st

Safety 1st Turn and Go 360 DLX 360 Car Seat, Rotating All-in-One Convertible Car ...
4.3

400+ 購入済み

JPY 59294 70415

Teleport Car Booster Seat, Robust for Everyday Use, for Kids 5-12 Years Old
US 店舗
bubblebum

Teleport Car Booster Seat, Robust for Everyday Use, for Kids 5-12 Years Old
4.1

400+ 購入済み

JPY 13739

Chicco KeyFit Rear-Facing Infant Car Seat with Base
US 店舗
Chicco

Chicco KeyFit Rear-Facing Infant Car Seat with Base
4.8

400+ 購入済み

JPY 42574

6% オフ
RideSafer Gen 5 - Small Black, Lightweight, Compact, Portable Car Seat - Perfect for Travel and Everyday Child Safety
US 店舗
RideSafer

RideSafer Gen 5 - Small Black, Lightweight, Compact, Portable Car Seat - Perfect ...
4.5

400+ 購入済み

JPY 35986 38398

19% オフ
Baby Trend EZ-LiftTM Plus Infant Car Seat, Liberty Red Newborn Comfort Padding, Lightweight Carry Build, Adjustable Harness System
US 店舗
Baby Trend

Baby Trend EZ-LiftTM Plus Infant Car Seat, Liberty Red Newborn Comfort Padding, ...
4.7

400+ 購入済み

JPY 16722 20700

Graco SlimFit3 LX 3-in-1 Convertible Car Seat, Katrina
US 店舗
Graco

Graco SlimFit3 LX 3-in-1 Convertible Car Seat, Katrina
4.8

300+ 購入済み

JPY 60472

Diono Solana 2 XL 2022, Dual Latch Connectors, Lightweight Backless Belt-Positioning Booster Car Seat, 8 Years 1 Booster Seat, Pink
US 店舗
Diono

Diono Solana 2 XL 2022, Dual Latch Connectors, Lightweight Backless ...
4.7

300+ 購入済み

JPY 11751

Graco Gomax Infant Car Seat, Baseless Car Seat with Canopy, Rear Facing, Lightweight Carseat
US 店舗
Graco

Graco Gomax Infant Car Seat, Baseless Car Seat with Canopy, Rear Facing, ...
4.6

300+ 購入済み

JPY 50529

22% オフ
Evenflo Gold Revolve360 Slim 2-in-1 Rotational Car Seat with SensorSafe Obsidian Black
US 店舗
Evenflo

Evenflo Gold Revolve360 Slim 2-in-1 Rotational Car Seat with SensorSafe Obsidian ...
4.8

300+ 購入済み

JPY 70218 90301

6% オフ
Evenflo Revolve360 Extend All-in-One Rotational Convertible Car Seat
US 店舗
Evenflo

Evenflo Revolve360 Extend All-in-One Rotational Convertible Car Seat
4.6

300+ 購入済み

JPY 94278 100244

UPPAbaby Extra Mesa Car Seat Base - Fits Mesa, V2 & V3 Infant Car Seats
US 店舗
UPPAbaby

UPPAbaby Extra Mesa Car Seat Base - Fits Mesa, V2 & V3 Infant Car Seats
4.9

300+ 購入済み

JPY 40586

Shop Baby Car Seats Online in Japan

Every car journey with a baby starts with one decision that matters more than any other: the seat they travel in. Baby car seats exist to keep infants and toddlers properly restrained, reducing injury risk while keeping them settled on the road. Ubuy Japan brings together a wide range of options, from simple infant seats to adjustable models built to last through several growth stages. Whether you are outfitting a first car or replacing an outgrown seat, safety & comfort should guide every choice you make here. Prices and installation methods vary widely across brands, so it helps to understand the main types before deciding.

Explore Baby Car Seats by Type and Need

Not every baby car seat and accessory suits every stage of childhood, and knowing the differences early makes shopping far less stressful. 

Infant and Convertible Car Seats for Growing Babies

Infant seats are designed for newborns and typically face rearward only, offering focused head and neck support during the earliest months. Graco is a familiar name in this category, particularly for its SnugRide Click Connect range. It includes a lightweight baby car seat model built for easy carrying. It also comes with a base that clicks directly into compatible strollers for quick transfers.

Once a baby outgrows an infant seat, a convertible car seat takes over, switching between rear-facing and forward-facing modes as the child grows. This single-seat approach reflects genuine durability & design, since one purchase can realistically last from birth through the toddler years rather than needing replacement every few months. Many parents find this transition period the most confusing part of car seat shopping. Checking weight and height limits on the packaging helps most. 

All in One and Adjustable Car Seats for Long-Term Use

For parents who want to buy once and adjust as needed, an all-in-one car seat covers infant, toddler, and booster stages within a single frame. Britax takes this approach seriously with its ClickTight convertible range, built around a steel frame and SafeCell impact protection for genuine strength & stability.

An adjustable baby car seat in this category typically offers multiple recline positions and harness heights. It grows alongside the child rather than being outgrown within a year. A long-lasting car seat like this often works out better value over time, even though the upfront investment looks larger on the price tag. Fewer purchases over the years also means less time spent researching and reinstalling a brand new model each time your child reaches a new stage.

Portable and Travel-Friendly Car Seat Options

Not every family needs a seat installed permanently in one vehicle. A portable baby car seat suits parents who move between cars, use taxis frequently, or travel by air with their child. Chicco's KeyFit 35 is a strong example here. It installs either with its included base or without one, using the vehicle's own seatbelt routed directly through the carrier. When the base is used, a SuperCinch tightener helps achieve a secure LATCH fit with far less effort than pulling a strap by hand. A baby car seat for travel needs to balance weight with proper crash protection, since portability should never come at the cost of comfort & security.

Compare Baby Car Seats by Type and Brand

Here is a simple breakdown to help you match the right baby essentials to your situation.

Seat Type

Brand

Key Feature

Best For

Infant Seat

Graco

Stay-in-car base, stroller click-in

Newborns and early infancy

Convertible Seat

Britax

Steel frame, SafeCell protection

Long-term use across stages

Lightweight Infant Seat

Graco

Ultra-lightweight carry shell

Frequent lifting and carrying

All-in-One Seat

Britax

Multiple recline and harness settings

Single-seat, multi-stage use

Travel-Friendly Seat

Chicco

Installs with or without a base

Flights and taxi travel

 

Related Categories to Explore 

Baby car seats rarely stand alone in a shopping list. Browse baby essentials for the wider range of items that support daily care beyond travel. If you want accessories, check out our baby car seats & accessories segment. It covers a baby car seat protector for your vehicle upholstery and a weather-ready baby car seat cover. A carrier handle also helps you move between the car and home without lifting the whole unit awkwardly. A washable baby car seat carrier or cover is worth prioritising too, since spills and mess are inevitable with young children, and quick-clean fabric saves real hassle over time.

Frequently Asked Questions About Baby Car Seats

  • What type of car seat is best for a newborn?

    An infant car seat is generally the best starting point, since it faces rearward and offers proper head and neck support for very young babies. Many parents later move to a convertible car seat once their child outgrows the infant stage.

  • What should I look for when buying a baby car seat?

    Check the weight and height limits, harness type, and ease of installation before buying. A seat with a dedicated base often installs more securely, and adjustable recline positions help it fit your baby as they grow.

  • Where can I buy baby car seats online?

    Ubuy offers baby car seats from trusted brands, including Graco, Chicco, and Britax. You can compare models by type, features, and price, making it easier to choose a seat suited to your vehicle and daily routine.

  • What accessories are useful for baby car seats?

    A seat protector helps prevent wear on your vehicles upholstery, while a seat cover adds warmth or shade depending on the season. A carrier handle or compatible base for a second vehicle also adds convenience for busy families. 

  • Are baby car seats suitable for long road trips?

    Yes, most car seats are built for extended use, though comfort features like padding and recline positions matter more on longer journeys. Regular breaks are still recommended, particularly for younger infants. Staying in a semi-reclined position for too long is a genuine safety consideration, not just a comfort one.