Bacati - 2 pack Identical Crib Fitted Sheets made from 100 percent premium cotton percale fabric. Crib sheet has reinforced corners and elastic all around for secure fit. It is machine washable and gets softer with every wash. It coordinates well with Bacati Mix N Match Cotton Percale bedding collection. Cotton is a green fabric as it is renewable resource & biodegradable. Cotton is breathable making it more comfortable in extreme climates. Cotton is inherently soft delicate on skin of babies, durable & user friendly. Cottons gentle quality makes it appropriate for Babies with very sensitive skin or skin allergies.