4-Pieces Split Head Flex King Size Sheet Set: 1 King Flat Sheet (108" x 102"), 2 King Pillowcases (20" x 40"), 1 Split Head Flex King Fitted Sheet with all-around elastic (not just in the corners) (80" x 78" x 16" Pocket). Extra deep pockets grip and fit mattresses up to 16"- 18” TOP Split King Bed Sheet set with 1 Top Split 36" Fitted Sheet, 1 King Size Flat Sheet and 2 King Size Pillow Cases. Designed to make you feel Comfort and Luxury at the same time. Made with High Quality Brushed Microfiber Yarns which are Cooler in Summer and Warm in Winter. Best Quality Sheets. Long lasting durable Long Staple Yarns Fabric designed to last for years and years of Luxury and Comfort. Our sheets will give you the Comfort And Luxury you expect from us. Care Instructions: Machine wash in cold water with similar colors. Tumble dry low. 4-Pieces Split Head Flex King Size Sheet Set: 1 King Flat Sheet (108" x 102"), 2 King Pillowcases (20" x 40"), 1 Split Head Flex King Fitted Sheet with all-around elastic (not just in the corners) (80" x 78" x 16" Pocket). Extra deep pockets grip and fit mattresses up to 16"- 18” ALL-AROUND ELASTIC: The fitted sheet has elastic all-around to grip and fit the mattress better and to keep it in place all night long, additional Elastic straps on the all the corners to hold the mattress and prevent it from coming out. ULTRA-SOFT SHEETS: Our proprietary double brushed fabric is ultra-soft, lightweight, and airy to keep you warm in the winter and cool in the summer. Available in a wide range of colors to compliment any bedroom. EXCEPTIONAL QUALITY: The finest quality microfiber yarn is Double brushed for an unbelievable soft feel without harmful materials and made to last for years and years. Extra deep pockets grip and fit mattresses up to 16 inch, Elastic all the way around to fir thick or not too thick Mattress. Also, Extra straps on the side to hold the Mattress.