5-Layer Waterproof Protection with Breathability： Innovative five-layer design includes a TPU waterproof barrier that blocks spills while maintaining airflow-keeps mattresses dry and sleepers cool, thanks to breathable softness. 3-Zone Ergonomic Support：408g Blendtek fiber filling forms three targeted support zones, aligning the body and relieving pressure points for customized comfort that adapts to your sleep needs. 21" Deep Pocket Secure Fit：4cm elastic band and extra-deep pockets fit mattresses up to 21" thick, ensuring the pad stays firmly in place without slipping-ideal for active sleepers or frequent sheet changes. Material:PolyesterCertifications:certified for chemical safetyWhat's Included:1 Mattress Pad