The seat belt adjuster is designed for children who have outgrown their car seat . The seat belt adjuster is the perfect way to prevent strap irritation by keeping shoulder belts from riding up on their neck. Crash-tested and proven to work perfectly, it's simple and easy to use. This item suitable The seat belt adjuster is designed for children who have outgrown their car seat . The seat belt adjuster is the perfect way to prevent strap irritation by keeping shoulder belts from riding up on their neck. Crash-tested and proven to work perfectly, it's simple and easy to use. This item suitable for over 4 year old child. Surface is comfortable and soft, feeling good. Superior resistance.Washable, does not fade, does not shrink, without distortion.Preferably Fits 4 years children and above. Specification:Material: MeshSize:25 x 22.5cm/9.8 x 8.9