About this product Color: Navy Size: 100*200 [Product Information: Box Type] Material: 100% Polyester Specifications: Box type (with anti-slip rubber all around, applicable to mattresses/futons up to 30cm thick) The back of the sheet has elastic all around, so it fits snugly, and it's easy to put on and take off just by covering it! You can sleep through the night without worrying about your sleeping position! [Smooth and Quick-Drying Fabric] 100% polyester material, soft and gentle to the touch. Comfortable for those with sensitive skin. Comfortable for those with sensitive skin. The more you wash it, the softer it becomes. [Breathability and Instant Absorption] The center part is hollow, creating a pathway for air, which provides excellent breathability. Compared to other materials, it quickly absorbs moisture such as sweat and releases it to the outside. It is less likely to get stuffy even in the sweaty summer months, keeping you dry and comfortable. Using warm sheets in winter allows for comfortable sleep all year round. [All-Season Use] The fabric is durable even when washed daily, making it perfect for seasons with a lot of sweating and washing. It also has excellent heat resistance, and you can iron it without any problems, so you can easily deal with wrinkles. It has high moisturizing properties and is less likely to generate static electricity, so you can sleep comfortably regardless of the season. [Machine Washable at Home] We are confident in its washability! You can wash it in your home washing machine, so you can always keep it clean.