Machine Wash and Dry. These are just great. They have so much give to keep your mattress feeling pliable. This fits just like a fitted sheet but is very absorbent with fibers of organic cotton sandwiched between 2 layers of organic cotton knit. Features elastic all around for a great fit. USA.  Best when used with moisture pad to help protect crib from wetness.  For heavy over-wetting - organic cotton quilted crib pad can be used for lots of absorbancy. Made in USA