Please feel free to ask any questions in the comments. Treeflyheart Fitted Sheet, Family, Navy, Quick-drying and Absorbent, Sheet Bed Cover, Size 240x200cm, Easy to Attach and Detach, 30cm Depth, Polyester, Antibacterial and Odor-resistant "Product Specifications" Size: 240x200cm, Depth: Approximately 30cm (Compatible with mattresses 5-27cm thick) Material: 100% Polyester Color: Navy "Gentle Material": Made of 100% polyester fabric, it is gentle, wear-resistant, and easy to wash. At the same time, the fabric has excellent absorbency and breathability, providing an excellent environment for sleep. "Easy and Convenient": First of all, the fitted sheet uses high-quality elastic bands, making it very convenient to assemble and disassemble. The elastic band is wrapped 360 degrees, so it won't slip no matter how much you toss and turn, and it will also protect your mattress neatly. Secondly, because the fabric is polyester fiber, it has the advantage of drying easily, and you can use it after washing in the morning and drying before evening! Finally, this bed sheet can be washed at home, so it's no problem even if it gets dirty. "For All Seasons": In summer, the fabric uses excellent moisture absorption and breathability, so it absorbs sweat well and can keep you dry at the same time, and in winter, it has excellent heat retention, so you can spend it warm and comfortably.