This Fitted Crib Sheet from cloud island™ is suitable for standard cribs and toddler beds. Made from 100% percale cotton, the standard crib sheet fits a six-inch mattress and is designed with all-around elastic for a secure fit over the crib mattress. It's decked out in a vibrant print of tiny mushrooms over a dark green background to add cute style to your baby's nursery.cloud island™: Designed with love. Made without compromise.