All in one: 100% Jersey Cotton Quilted Waterproof Hour Glass and Oval Bassinet Sheet and Mattress Pad Cover Our Quilted Bassinet sheet is lined throughout with TPU and extra layer of heat protection to prevent leakage, so no bassinet mattress pad cover, mattress liner or mattress protector is necessary. Clean up is a breeze and your bassinet mattress and mat are fully protected. Soft and Cozy: 100% Jersey Cotton Our Bassinet Sheet is composed of light, soft and breathable fabric. Made from 100% high quality Jersey knit cotton and quilted with a polyester filling. Babies love our Quilted Bassinet sheets, as they offer a soft, padded and cozy welcoming texture that lulls them into restful sleep.