The Colgate Wee-A-Way crib fitted waterproof mattress pad cover fits all standard size American crib mattresses. The cover is ultra soft after the first washing and will hold up to repeated washing and drying with minimal shrinkage. Elastic all the way around the perimeter of the back of the cover ensures a safe, good and tight fit to the mattress. The waterproofing is on the back side of the cover thus keeping cloth closest to baby"s skin while keeping any liquids from reaching the surface of the mattress. Parents can have confidence in this product because the Colgate Wee-A-Way mattress pad cover is made by Colgate, The Crib Mattress Specialist, a family owned and operated company with over half a century of crib mattress manufacturing experience. All Colgate crib mattresses, pads, and accessories are quality made, are non-toxic, pass all government safety standards for chemicals and flammability, and are manufactured in Atlanta, Georgia, USA.