• Two Layers of Organic Cotton Flannel - Top and Bottom
• Highly Absorptive and Extra Soft
• Reduces Uneven Temperatures, Sweating, and Clamminess
• Ultra-Thin Waterproof Barrier In Cente(Waterproof Version Only) Features DrySleep™ technology, which effectively blocks liquids from passing through while still allowing the fabric to “breathe.” Some water vapor is allowed to escape resulting in less “sweaty backs” and a drier, more comfortable sleep. Also blocks dust-mites and other allergens. 
• Alternative DesignNO Vinyl / PVC NO Phthalates NO Latex (for allergy concerns) 
• Machine Wash & Dry
• Made in U.S.A.