Check the listing for details. Split Flex Top King Bottom Fitted Sheet Only for Sleep Number 1900 (Gray, 1 PK). Color: Dark Gray, Condition: New with tags. Listed at 39.95 USD. This listing is for ONE FITTED SHEET ONLY for top split king bedTop split king size:will fit 34-36" split Can fit top split cal king as well18" Deep PocketsHigh Quality Fabric 1900 Thread Count Brushed Microfiber Very Cool and Easy Care**Fitted sheets made with elastic all around for a tight fit, also have straps to hold the corners down** This split flex top king fitted sheet from Royal Millaann is the perfect addition to any bedroom. The dark gray color and solid pattern give it a luxurious and modern look, while the microfiber material makes it hypoallergenic, breathable, and cooling for a comfortable night's sleep. Measuring 80 inches in length and 78 inches in width, this fitted sheet is designed to fit split top flex head mattresses and is deep fitted for a secure fit. It's easy to care for with machine washable and tumble dry instructions, making it a practical choice for adults, teens, and kids alike. With a thread count of 1900 and features like deep fitted and hypoallergenic, this fitted sheet is sure to provide a comfortable and stylish sleeping experience.