Organic Cotton WATERPROOF PROTECTOR PAD: Unlike vinyl and rubber pads, our cover is soft and breathable material provides a non-sweaty and comfortable waterproof barrier ORGANIC COTTON: We use 100% GOTS certified cotton for the top and bottom layers of our pads to offer a soft, comfortable feel DRYSLEEP TECHNOLOGY: Ultra-thin waterproof barrier effectively blocks liquids from passing through while still allowing the fabric to breathe NO HARMFUL CHEMICALS: Our mattress pads are completely non-toxic and free of vinyl/PVC, phthalates, latex, and eliminates potential allergenic concerns FITS STANDARD SIZE CRIB MATTRESSES: These fitted pads will cover mattres