Rest assured knowing your little one is snug and comfy in their crib. Carters ultra-soft crib mattress protector is made from polyester fabric for superior quality and performance. It is both lightweight and waterproof, so your baby remains comfortable while their crib mattress is well protected. You no longer need to worry about leaking diapers or dripping bottles; the fabric is superior in its ability to absorb liquid. This excellent textile is also allows airflow, so your baby will stay warm in the winter without sweating in the summer. Designed to withstand constant use, the crib mattress protector is stain resistant as well as being machine washable and dryer friendly. Keep your crib mattress clean and protected while giving your baby a cozy and restful nights sleep.