『Fitted Sheet Single Size for Winter』 Material of warm winter fitted sheet: Polyester 【Features】: This fitted sheet is warm despite its light weight, using four cutting-edge technologies. It's easy to put on and take off with reinforced elastic bands on all four corners. It can be used on both futons and mattresses. 【Washable for cleanliness!】 It can be easily washed in a washing machine at home by putting it in a laundry net, so it's always clean. It can be used with peace of mind by those who are concerned about dust and odors. - Product Name: Shun-On PRO - Brand: IMA HOME - Color: Navy - Size: Single・100x205cm - Material: Polyester - Features: Uses aerogel, heat retention, lightweight, antibacterial, washable Thank you for viewing. Main fabric: Polyester