Semi-double 120X200X30cm Material: High-performance 100% polyester Colors: White, Gray Product Description: 【Performance】 Stretchy material for a perfect fit. The stretch material stretches both vertically and horizontally, making it wrinkle-resistant and allowing the box sheet to fit neatly without ironing. Comfortable all year round. This sheet can be used comfortably throughout the year, in both warm and cold seasons. It can prevent the intrusion of most dust mites. Since no chemicals such as insecticides are used, it is safe for children and the elderly. 【Box Sheet Type】 Easy and perfect fit with all-around elastic! It stretches, so it's suitable for futons and thick mattresses! 【Washing】 Easy to wash at home and dries quickly after washing, so you can use it cleanly every day. The fabric is durable and does not lose its shape even after repeated washing.