10 Best Car Seat For 3 Year Old of December 2025

• 3 in 1 harness booster helps protect your child, from toddler to youth; harness booster (22 to 65 pounds), high back booster (30 to 100 pounds), backless booster (40 to 100 pounds)
• Simply Safe Adjust Harness System adjusts the height of your harness and headrest in one motion; one hand, 5 position adjustable headrest easily adapts for your growing child; Buckle may be cleaned with a damp cloth
• Engineered & rigorously crash tested to meet or exceed US standard FMVSS 213; the Nautilus 65 has been side impact tested for occupant retention solely with the built in 5 point harness system
• Open loop belt guides properly position vehicle seat belt across child; seat pad, body support and harness covers are comfortable and machine washable
• Dual cup holders help keep your child's drink close; lightweight, portable seat is ideal for busy, active parents
• Care Metal and plastic parts may be cleaned with mild soap and cool water. Harness straps may be spot cleaned

Graco

• Trusted quality, upgraded design: Looking for pioneer? Grow with you is our newest harness to booster car seat
• 2 in 1 booster seat: Easily transitions from forward facing harness mode to belt positioning booster mode as your child grows from toddler to big kid
• Premium fabrics: Nap friendly padding and fabrics for superior comfort & a quiet ride
• More comfort: Soft comfort pads keep your child's neck from rubbing against the harness strap
• Surrounded in safety: 2 layers of side impact protection, steel frame, impact absorbing base and forward movement reducing v shaped tether

BRITAX

• 5-POINT HARNESS SECURITY: Two position points at each shoulder, two position points at the child's hips, and one point where the harness buckles between the legs to give your child the best possible protection
• 3 HARNESS POSITIONS: There are three slots to position the harness shoulder straps depending on the age and height of your child. Shoulder straps should be at or just above the shoulders whenever using a forward-facing car seat
• TWO MODE OPTIONS: This forward-facing five-point harness car seat is made for children weighing between 22 and 65 pounds and 29 to 49 inches in height. Converts to a belt-positioning booster seat for older children weighing between 40 and 100 pounds and 38 to 57 inches in height. We recommend using the 5-point harness to the maximum recommended weight and height before using this car seat as a belt-positioning booster
• SAFETY CERTIFICATIONS: This seat exceeds Federal Motor Vehicle Safety Standards (FMVSS 213). Side Impact Tested only when used with a 5-point harness. Insurance Institute for Highway Safety "Best Bet" rating when used as a belt-positioning booster
• ADDED COMFORT: Three-position adjustable height headrest is equipped with energy-absorbing EPS foam. Two cup holders provide added convenience to hold drinks or store treats

KidsEmbrace

• No Nods Baby Child Car Seat Pillow Support Head Band
• Material: Cotton, Nylon, Plastic; Dimension: 8.4 x 4 x 1.1 inches in total.
• Very helpful for your baby's sleeping at Pram Stroller or car
• Keeps your child comfortable and no more neck strains while naps in his or her infant carrier, car seat, or stroller
• Adjustable toddler car seat neck relief and head support for car seats, stroller, high back booster seats, convertible seats, toddler seats

Luckyiren

• VERSATILE, 2-in-1 DESIGN: The Spectrum Booster Seat offers a 2-in-1 design that transitions from a high back booster seat to a no back booster seat supporting children from 40-110 pounds
• TESTED & TRUSTED: In addition to meeting or exceeding all applicable federal safety standards, this car seat also passes Evenflo's comprehensive Side Impact and industry leading Rollover Test Standards
• NEXT LEVEL SAFETY: This seat features our latest advancement for side impact protection, LyfGuard, which has layers of energy-absorbing material that compress on impact, helping to lower the risk of injury
• MODERN DESIGN: The sleek, engineered lines and bold, modern colors of the Spectrum Booster seat are designed to maintain a balanced aesthetic suited to match the latest styles in cars and minivans
• OTHER VALUABLE FEATURES: Built with the hustle and bustle of family life in mind, this seat features dual cup holders for drinks of all sizes, and 2 snack trays that can stow away when not in use

Evenflo

• Extended Use: forward-facing with harness, 30-65 pounds and Belt-positioning Booster, 40-120 pounds
• Designed to fit 3 ACROSS in most vehicles - Great for growing families and car pools
• Lightweight and easy to move from car to car
• Deluxe fabric gives kids a comfy ride
• Adjustable headrest allows for customizable support

Safety 1st

• Extended Use: Forward-facing with harness 30-65 pounds and Belt-positioning Booster 40-100 pounds
• Designed to fit 3 across in most vehicles - Great for growing families and car pools
• Lightweight and easy to move from car to car
• Deluxe fabric gives kids a comfy ride
• Dishwasher-safe cup holder detaches for use on either side of seat
• IIHS Best Bet rating for use in booster mode
• Made in USA with American and imported parts

Cosco

• 2 Modes - 5-point Harness: 10 to 22.6 kg (22 to 50 lbs) and 71 to 127 cm (28 to 50 in) - At least 2 years old
• Booster: 18 to 49.8 kg (40 to 110 lbs) and 110 to 145 cm (43.3 to 57 in) - At least 4 years old
• 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. Seat belt booster age - at least four years of age

Evenflo

• Converts from 5-point harness to belt-positioning booster
• Duo Guard side-impact protection for head and torso, and steel-reinforced frame
• 4-position recline, 9-position headrest, and deep Ergo Boost seat with padding/contour
• Premium LATCH connectors and Lock Sure belt-tightening system for easy installation
• 2 dishwasher-safe Cup Folders with push-button removal

Chicco

• Built to Grow: The 3 in 1 car seat built to grow for extended use through 3 stages: rear facing 5 40 pounds, forward facing 22 to 65 pounds, and belt positioning booster 40 to 100 pounds
• SIDE IMPACT PROTECTION: The Grow and Go's side impact protection helps keep your child safe. 2 integrated cup holders. Grow with baby pillows for a comfortable ride
• Easy In, Easy Out: Harness holders keep the harness in an open position so it’s easy to get your child in and out of the seat. Rear facing height is 19 to 40 inches. Forward facing height is 29 to 52 inches
• Quickfit Harness: With the QuickFit Harness you can easily adjust both the harness and headrest in one simple step. Takes up less space in the back seat, for up to 7 inches of extra room in the front
• Wash and Dry: Machine washable and dryer safe seat pad features snaps that make it simple to take off of the seat; No fuss for truly easy cleaning

Safety 1st