They will be able to rest their head or even bite the protector in complete safety. It does not cover the mouth or nose, press on the neck, or restrict movement or breathing. They are also designed to blend in nicely with your car's interior. Compatible with any baby seats, car seats, strollers, car belts. Quality material is essential to keeping your child comfortable, and can help reduce the risk of moisture buildup, unpleasant odors. This seat belt cushion for kids won’t tear, lose shape, or slip during normal use. It has a strong velcro attachment for easy installation and removal. The fastener won’t slip, open, or become exposed during use. Suitable for hand washing only. Doesn’t deform with repeated usage. It keeps its form and lovely appearance even after many washes and many years.