The Liz & Roo Coral Scribble Crib Sheet is 100% cotton with one inch elastic bands to hug the mattress. This high quality crib sheet will withstand hundreds and hundreds of washings without losing its elasticity. Plus, extra deep pockets ensure you won't wrestle with making the crib bed! Start your coral nursery with a coral crib sheet and add on. We have coral crib skirts, coral crib rail covers, and coral bumpers (plus curtains) to complete your coral nursery. Navy looks great with this, too. All made in USA.