Lambs & Ivy Baby Jungle Animals White/Gray/Taupe Cotton Fitted Crib Sheet (Crib). This action packed 100% cotton fitted crib sheet features giraffes, elephants, toucans, sloths and small trees and branches on a crisp white ground. It is breathable cotton and has elastic all around for a safe and secure fit on a standard sized crib mattress measuring 52 X 28. Main Color(s): Gray, Brown, Beige, White. Theme(s): Animals, Jungle, Safari, Outdoors. Animal(s): Elephant, Giraffe. While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.