Registry Superside pillow features a soft 230 thread count, 100% cotton cover provides comfort and breathability. Unique side gussets on two sides pushes the fiberfill to the center of the pillow for better support. The curved corner design allows for pillowcases to go on faster and provides the ability to sit the pillow upright for a better presentation on the bed. This pillow is filled with memory fiber. The unique fiber offers the support of memory foam with the comfort, breathability, and washability of polyester. The Fuze® anti-microbial treated fabric provides an all natural and permanent protection. This pillow benefits all sleep postion support. Filled and finished in the USA. King size, 36" x 20".