Waterproof: 100% Waterproof exterior stretch bonnet with a satin silk interior. This double-layered bonnet security protects & keeps the hair dry from the outside moisture, dew, humidity elements while the satin silk interior creates a protective barrier from the sanding/friction that causes breaking, tangling & matting, keeping those tresses moisturized, healthy, growing longer and looking gorgeous. Great for natural hair, braids, weaves, roller sets, pin curls, hair clamps, long hair, updo's, etc. Available in a variety of styles/designs.**AVAILABLE IN SIZES REGULAR AND JUMBO