Gray Box Sheet - Double Size: Approximately 150cm x 200cm x 20cm, with elastic on the back (※Measurements are taken with the item laid flat by a non-professional. Please understand that there may be slight variations.) 【Material】 ◇ Polyester This box sheet is made of breathable, skin-friendly material. It is durable and can be used throughout the year. Features 360° elastic for easy attachment and prevents slipping♪ Machine washable. You can use it comfortably and cleanly all year round. ※The actual color of the product may differ slightly from the product images due to shooting conditions and your monitor settings. ※As this is an imported product, the sewing may be less precise than in Japanese products, and there may be minor scratches or creases. Please refrain from purchasing if you are sensitive to these details. To offer this product at an affordable price, it will be shipped in simple packaging. Please purchase only if you understand this.