PRIMESOFT 100% Waterproof Queen Size Mattress Topper, Thick Pillow Top Mattress Pad，Up to 21 Inch Deep Pocket,Soft Breathable Mattress Pad for Back Pain, Protector Cover(White)Premium Material Combination: The mattress topper fabric blends 70% rayon fiber and 30% polyester, which is soft and breathable. The filling is 100% down alternative, providing a comfortable touch. Outstanding breathability and water resistance: It features both breathable and waterproof functions. Lying on it keeps you dry and cool all the time. Even if 1L of liquid is spilled, you don't have to worry about the mattress getting dirty. Fashionable and