Durable MaterialInfant Car Seat Insert is made of durable materials to a very high standard, good breathability makes it very comfortable and lasts longer. Waterproof DesignThe back of the Baby Seat Liner is designed with a waterproof material to catch diaper leaks, keeping your car seat, stroller or high chair always dry and clean. Leak-Proof Button HoleBaby Car Seat Liner is provided with leak-proof buttonhole protection. It has a soft upright seat belt guard that protects the crotch harness from moisture and contamination. Machine WashableInfant Car Seat Liners are machine washable. To get this car seat out of the car, just throw it in the washing machine and let it air dry. High CompatibilityToddler Car Seat Cover is compatible with a safe and easy-to-use contoured lining that fits easily in a child seat without compromising the safety of the seat belt. Features: 1. Infant Car Seat Insert is made of durable materials to a very high standard 2. The back of the Baby Seat Liner is designed with a waterproof material to catch diaper leaks 3. To get this car seat out of the car, just throw it in the washing machine and let it air dry.