Pre-washed muslin 131cm X 73cm X 24cm 100% cotton wash before use tumble dry at low temperature With this 100% cotton muslin crib fitted sheet, baby will feel so comfy that he will sleep all night long (and so will you)! This delicate sheet is breathable, comfortable and extra soft. This crib fitted sheet has elastic bands all around the edges to ensure it stays in place while baby is sleeping. Likewise, it fits any standard size crib mattress. Will get softer after every wash