Natural luxury - ultra-soft, breathable knitted top, using luxury pure cotton yarn and durable polyester, bringing cushioning, just the right softness to ensure the safety of the baby.
Waterproof protection - 100% TPU waterproof barrier prevents leakage, making the sleeping surface cleaner, fresher and more hygienic.
https://www.sleepycare.com/waterproof-mattress-pad-and-sheet/home-waterproof-mattress-top.html