JLIKA baby crib sheets are designed and crafted from 100% cotton sateen material which is super soft with rich color saturation that won’t fade. It’s breathable, comfortable and sure to stand the test of time. Cotton Crib sheet comes in a universal design, features an elastic band with generous 8” pocket to ensure proper fit and tightness to the mattress all night long. It assures a perfect fit for any standard size 52”x 28”crib or toddler mattress. MACHINE WASHABLE: Easy to clean – just wash in cold water and tumble dry on low. So simple! Just toss in the washer and the pieces will become softer each time!