This Fitted Crib Sheet from cloud island is suitable for standard cribs and toddler beds. Made from 100percent cotton, the standard crib sheet fits a six-inch mattress and is designed with an all-around elastic for a secure fit over the crib mattress. It's adorned with allover dino prints in blue, green and beige hues on a white background to lend some Jurassic flair to your nursery decor. cloud island : Designed with love. Made without compromise.