KARRFUN Backless Booster Car Seat for Kids, Lightweight Padded Booster Seat, 40–100 lb, Gray

Give your child a comfortable lift for everyday family travel with the KARRFUN Backless Booster Car Seat. Its lightweight, compact design makes it easy to move between vehicles, while the padded fabric seat provides added comfort without taking up unnecessary space.

Designed for children weighing 40–100 lb and measuring 43.4–57 inches tall. Always confirm that the vehicle lap-and-shoulder belt fits the child correctly and follow the KARRFUN instruction manual and vehicle owner’s manual.

Key Benefits

Comfortable Padded Seat

The cushioned fabric seating surface helps keep children comfortable during daily drives, school runs and family trips.

Lightweight and Portable

The compact backless design is easy for adults to move between compatible vehicles.

Designed for Growing Children

Intended for children weighing 40–100 lb and measuring 43.4–57 inches tall. Proper belt fit must be confirmed before every ride.

Vehicle-Seat-Friendly Base

The smooth, compact base is designed to sit securely on the vehicle seat while helping reduce unnecessary pressure and scuffing.

Simple Everyday Care

The fabric seating surface is designed for convenient routine cleaning. Use only the cleaning method stated in the final KARRFUN instruction manual and care label.

Child Fit Range

• Weight: 40–100 lb / 18.1–45.4 kg
• Height: 43.4–57 in / 110–145 cm
• Able to remain properly seated throughout the journey
• Able to achieve correct lap-and-shoulder belt positioning

Age alone must not be used to determine readiness.

Product Details

• Brand: KARRFUN
• Product type: Backless belt-positioning booster seat
• Color: Gray / Black
• Dimensions: Approximately 15 × 15 × 6.5 in / 38.1 × 38.1 × 16.5 cm
• Weight: Approximately 2.2 lb / 1.0 kg
• Orientation: Forward-facing
• Installation: Vehicle lap-and-shoulder belt
• Materials: Fabric cover, cushioned padding and plastic structural base
• Batteries: Not required

Actual measurements may vary slightly. Final production measurements should be confirmed against the factory specification sheet.

Safety Information

This product is a belt-positioning booster seat and does not include an internal harness. Use only with a correctly positioned vehicle lap-and-shoulder belt.

• Confirm that the child meets all weight, height and developmental requirements.
• Read the complete KARRFUN instruction manual.
• Consult the vehicle owner’s manual.
• Check the lap-and-shoulder belt position before every ride.
• Do not rely on product age recommendations alone.
• Do not use the product if it is damaged, involved in a crash or missing required labels or instructions.

Final warnings must match the KARRFUN manual, labels and test documentation.

Proper Seat-Belt Positioning

The vehicle lap belt should sit low across the child’s hips and upper thighs, not across the abdomen. The shoulder belt should cross the center of the shoulder and chest without touching the neck or falling off the shoulder.

FAQ

What child size is this booster designed for?

It is intended for children weighing 40–100 lb and measuring 43.4–57 inches tall. The child must also be developmentally ready to sit correctly and achieve proper lap-and-shoulder belt positioning.

Does this booster have a built-in harness?

No. This is a backless belt-positioning booster that works with the vehicle’s lap-and-shoulder belt.

Can it be used with a lap-only belt?

No. A belt-positioning booster requires a properly routed lap-and-shoulder belt unless the final KARRFUN manual expressly states otherwise.

Will it fit my vehicle?

Vehicle seats and belt geometry vary. Review the KARRFUN manual and the vehicle owner’s manual, and confirm correct belt positioning before use.