【3D Stretch & Super Soft】 Box Sheet For Wide King Size Beds Color: White Material: 90% Polyester, 10% Polyurethane Pattern: Solid Dimensions: 185 cm length x 180 cm width Purchased on Amazon. Selling because I ordered the wrong size. This item is bulky, so I would appreciate it if you could use the "Eco-Mercari" shipping option. (Added 10/19) The outer packaging seal has a tear. ⭐︎Also selling a size that fits semi-double to double beds⭐︎ → (As of 10/18, this has sold out) From the official description: 【Stretchy Box Sheet Specifications】 This bed sheet is suitable for wide king-size (200x200cm) mattresses and futons. It fits mattresses with a thickness of 3-26cm perfectly. The all-around elastic makes it stretchy, so it fits futons perfectly. You can also fold a tri-fold mattress as is, saving you the trouble. 【3D Stretch Fabric & Stretchy Bed Sheet & No Ironing Required】 To meet customer requests, we have created a sheet that fits beautifully and looks great. The fabric is a blend of polyurethane, so it has excellent elasticity and stretches freely both vertically and horizontally, making it easy to put on. It fits even odd sizes perfectly. It's wrinkle-resistant, so you don't need to iron it, and it fits beautifully. You can also shorten the time spent on housework. 【Super Soft T-shirt Material & Comfortable All Season】 The fabric of the box sheet is like a T-shirt, with a soft and smooth texture that feels comfortable on the skin, and it's designed to feel familiar from the start. It doesn't snag on the skin, so you can sleep comfortably without worrying about irritation. You can use it comfortably for a long time throughout the year, in warm seasons (spring and summer) and cold seasons (autumn and winter). 【0-Second Instant Absorbency & Quick Drying & Always Clean】 The mattress cover has excellent breathability and moisture absorption/release properties, especially in summer, it quickly absorbs and releases moisture even if you sweat, so you can always stay dry. It's easy to care for in your home washing machine, so you can always use it cleanly and comfortably. It's wrinkle-resistant after washing, making it easy to care for. Fitted Sheet, Bed Sheet, Mattress/Futon Compatible, Bed Cover, Mattress Cover, All Season, Super Absorbent, Quick Drying, Antibacterial and Odor-Resistant