A True Extra-Deep Pocket Sheet Set Our fitted sheets are 21 inches deep in size. This means they can easily fit your deep mattresses without coming off. The all-around elastic on our fitted sheets will cover your deep luxurious mattress and any Mattress toppers easily, no matter how much you toss and turn. These fitted sheets are premium quality and a snap to put on. They also fit perfectly on tall air-mattresses. We guarantee it. Features: Extra-Deep Pockets – guaranteed to easily fit mattresses up to 21 inches deep Premium Quality double-brushed microfiber sheets for extra softness Easy Care: Machine Washable and Shrink, fade, wrinkle resistant One Year Warranty At Southshore Fine Living, Inc, our customers will always be our number 1 priority. We believe in providing the best quality bedding products at an affordable price. Give us a try, you will not be disappointed.