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10 Best Isize Car Seats - Holiday Sale

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Last Updated - 2025/12/14

Best Choice

01
Evenflo

Evenflo Revolve360 Rotational All-In-One Convertible Car Seat - Amherst Gray

39% Off Free Shipping
Main highlights

RECLINE READY: Guide your child into the perfect cruising or resting position, without having to reinstall the seat or wake a sleeping baby
GOOD TO GROW: Offers 10 years of use and 3 modes — Rear Facing (4 – 40 lb), Forward Facing (30 – 65 lb), and Booster (40 – 120 lb)
FEATURES L.I.F.E. GUARD: Linear Impact Force Engineered to improve safety performance in side impact crashes
EASY, ALL THE WAY AROUND: Install just once for rear-facing and forward-facing – Sure360 Safety Installation System with LockStrong belt-tensioning system and Tether360 technology keep it safe, secure and simple
360 DEGREES OF WOW: Innovative rotating car seat makes it easier to get your child in and out of any vehicle—from sedan to SUV
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9.8

Exceptional

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02
Asalvo

Asalvo Car Seat I-Size 100-150 cm – Unifix/Black (AV-21786)
Main highlights

AV-21786
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9.6

Exceptional

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Value for Money

03
Graco

Graco 4Ever All-in-One Convertible Car Seat, 4-in-1 Baby to Big Kid Car Seat from 1.8-54 kg (4-120 lb), ProtectPlus Engineered, Lofton

43% Off Free Shipping

9.9 lasts a long time

9.9 safety

9.7 Easy installation
Main highlights

Washable seat cover is easy to remove without removing the harness
Steel-reinforced frame provides strength and durability
Simply Safe Adjust Harness System adjusts the height of your harness and headrest, in one motion, to ensure that your child is always properly secured
One-hand, 10-position head rest makes it easy to give your growing child a proper fit for optimal safety
Integrated harness storage compartment holds unused harness straps while in the belt positioning booster mode
InRight UAS attachment provides an easy, one-second attachment with an audio click cue to help ensure secure installation
Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear, & rollover crashes. Engineered & crash tested to meet or exceed CA standard CMVSS 213, 213.1 and 213.2
Features an easy-to-read level indicator for hassle-free installation
6-position recline adjust to fit your growing child; it's comfy for them and convenient for you
4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness 1.8-18 kg (4-40 lb) to forward-facing harness 10-30 kg (22-65 lb) to highback booster 18-45 kg (40-100 lb) to backless booster 18-54 kg (40-120 lb)
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9.4

Excellent

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04
Graco

Graco 4Ever All-in-One Convertible Car Seat, 4-in-1 Baby to Big Kid Car Seat from 1.8-54 kg (4-120 lb), ProtectPlus Engineered, Rockweave

43% Off Free Shipping

9.9 safety

9.7 lasts a long time

9.7 Easy installation
Main highlights

Washable seat cover is easy to remove without removing the harness
Steel-reinforced frame provides strength and durability
Simply Safe Adjust Harness System adjusts the height of your harness and headrest, in one motion, to ensure that your child is always properly secured
One-hand, 10-position head rest makes it easy to give your growing child a proper fit for optimal safety
Integrated harness storage compartment holds unused harness straps while in the belt positioning booster mode
InRight UAS attachment provides an easy, one-second attachment with an audio click cue to help ensure secure installation
Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear, & rollover crashes. Engineered & crash tested to meet or exceed CA standard CMVSS 213, 213.1 and 213.2
Features an easy-to-read level indicator for hassle-free installation
6-position recline adjust to fit your growing child; it's comfy for them and convenient for you
4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness 1.8-18 kg (4-40 lb) to forward-facing harness 10-30 kg (22-65 lb) to highback booster 18-45 kg (40-100 lb) to backless booster 18-54 kg (40-120 lb)
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9.3

Excellent

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05
Graco

Graco Tranzitions 3-in-1 Harness Booster Seat, Toddler to Big Kid Car Seat from 10-45 kg (22-100lb), Harness/Highback/Backless Booster, Proof

10% Off Free Shipping

9.9 worth the money

9.9 Simple to use

9.5 Light weight
Main highlights

Seat pad, body support, and harness covers are comfortable and machine washable
Open-loop belt guides help properly position your vehicle’s seat belt
One-hand, 8-position adjustable headrest grows with your child
No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
Meets or exceeds the child restraint criteria for a frontal crash test under the CA CMVSS 213 and 213.2
Lightweight, portable seat is ideal for busy, active parents
Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes
Graco ProtectPlus Engineered*: a combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes (*Meets or exceeds the child restraint criteria for a frontal crash test under the CA CMVSS 213 and 213.2)
3-in-1 harness booster helps protect your child, from toddler to youth: Grows with your child from forward-facing harness 10-30 kg (22-65 lb) to highback booster 18-45 kg (40-100 lb) to backless booster 18-45 kg (40-100 lb)
2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
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9.2

Excellent

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06
Graco

Graco Tranzitions 3-in-1 Harness Booster Seat, Toddler to Big Kid Car Seat from 10-45 kg (22-100lb), Harness/Highback/Backless Booster, Eloise

20% Off Free Shipping
Main highlights

Seat pad, body support, and harness covers are comfortable and machine washable
Open-loop belt guides help properly position your vehicle’s seat belt
One-hand, 8-position adjustable headrest grows with your child
No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
Meets or exceeds the child restraint criteria for a frontal crash test under the CA CMVSS 213 and 213.2
Lightweight, portable seat is ideal for busy, active parents
Grows with your child from forward-facing harness (22-65 lb) to highback booster 18-45 kg (40-100 lb) to backless booster 18-45 kg (40-100 lb)
Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes
3-in-1 harness booster helps protect your child, from toddler to youth
2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
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8.9

Very Good

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07
Silver Cross

Silver Cross - Jet 5 Universal Car Seat Adaptors - Baby Car Seat - 2 Pack
Main highlights

SILVER CROSS - We’ve been creating magical memories for over 140 years. Start your Silver Cross story today.
COMPATIBLE CAR SEATS: Cybex Cloud T i-Size, Maxi-Cosi Pebble 360 Pro, Maxi Cosi CabrioFix i-Size, Maxi-Cosi Coral i-Size (EU), BeSafe iZi Go Modular i-size (EU), Nuna Arra Next
ADAPTORS -Transform your Jet 5 stroller into a convenient travel system by attaching a car seat from a range of premium brands using the universal car seat adaptors.
ADAPTORS - Why not check out the rest of our car adaptors range to ensure a smooth ride.
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8.8

Very Good

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08
Generic

Car Seat Adapter for Bugaboo Fox 5, Fit Cybex Cloud Z i-Size, Compatible with Stroller Lower Accessory by UPPAbaby
Main highlights

Versatile Functionality – Ideal for parents seeking a reliable adapter to connect for Cybex car seats to for Bugaboo Fox 5 strollers
Secure Compatibility – Specifically designed for Bugaboo Fox 5 and for Cybex Cloud Z i-Size car seats, ensuring a snug and safe fit
Lightweight & Portable – Compact design makes it easy to carry and store while on the go
Easy Installation – Quickly attach the adapter to your stroller lower without tools for hassle-free setup
Durable Material – Constructed with high-quality, wear-resistant plastic that resists deformation for long-term use
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8.7

Very Good

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09
Evenflo

Evenflo Maestro Sport Harness Booster Car Seat (Aspen Skies Gray)

10% Off Free Shipping

9.3 Easy installation

9.1 Comfort
Main highlights

Up-Front Harness Adjust: Central, front access to harness adjuster provides an easy way to adjust child's harness for an accurate, snug fit
Shoulder Belt Guide: Automatically positions the vehicle belt in the proper position for your child
Dual Cup Holders: Two built-in cup holders keep drinks and snacks within reach – allows driver to stay focused on the road
5-Point Harness with 50 lb. Limit: Holds child's body safely and securely in car seat
2 Modes - Converts to Booster: Forward-facing Harness to Belt-Positioning Booster supports children 22-110 lbs
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8.6

Very Good

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10
Bugaboo

Bugaboo Fox/Lynx Car Seat Adapter - Connect Your Car Seat Easily To Your Stroller
Main highlights

Securely snaps into place on your stroller (sold separately)
Compatible with Clek Liing, Cybex Aton 2, Cybex Aton M i-Size, Maxi-Cosi Mico 30, Maxi-Cosi Mico AP, Maxi-Cosi Mico Max 30, Nuna Pipa Lite, Nuna Pipa Lite LX
2-year manufacturer's warranty
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8.5

Good

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