Dive into a colorful underwater adventure! Illustrated with love by laura l'hullier, this fun ocean crib sheet features an array of underwater creatures - merman and mermaid included. Our fitted crib sheet fits us standard crib mattresses 52 x 28 inches. Made with soft 100% cotton sateen, 230 thread count. Lab tested to last, compliant with us regulations. The Rookie Humans crib sheet features a premium printing method ensures colorful, sharp details that remain vibrant. Please note this crib sheet ships in bag packaging with hook hanger.