Good for baby and good for the environment! The Nature's Purest® Sleepy Safari crib sheet is made of the softest organically grown, naturally colored cotton jersey - nature in its simplest form. 100% organic cotton fibers, rich in natural vegetable proteins, gently caress baby's tender new skin. Fully elasticized crib sheet measures 28" x 52" to fit standard crib mattresses. Coordinates with the Sleepy Safari crib bedding collection. Machine wash. Imported.