The Ultimate Waterproof 100% Natural, 2-in-1, Washable Wool Filled Mattress Protector. BENEFITS • Unique 2-in-1 waterproof protector adds a nourishing protective layer to mattress, protecting from stains, spills, and bacteria. • Say goodbye to that cold and clammy feeling because the 100% natural, washable wool and cotton quilting wicks all moisture away from the body. • Ideal for someone who experiences overheating or overcooling during sleep. • Ideal for someone who has allergies to dust mites, mold and mildew and looking for a great investment. • Fitted skirt can easily accommodate a mattress up to 18” pocket. For Split King and Split Cal King Beds Please order two units to cover both split beds. • Top split head protector is only split at top or head of protector approximately 34in down FEATURES • Filling: 100% washable wool. • Top fabric: 100% natural cotton percale, 270TC. • Lining/Skirt: 100% waterproof recyclable microfiber with TPU coating. • Machine washable. • Up to 18”.