About This [100% COTTON FITTED SHEET INCLUDED] Futon mattress is not washable. Use included washable fitted sheet to keep them clean for longer life. Made of 100% fine and high quality cotton, dyed & sewed in Japan. Elastic edge is easy to put on/off. For extra covers with variety of colors check ASIN B018XN9II0. Made in Japan by skilled Futon craftsmen with carefully selected materials. [PRODUCT INFORMATION] Futon Mattress: Japanese Twin Size 39x79in (100x200cm) Thickness: about 2.5in (6-7cm) Outer Fabric: 100% cotton (200 thread count) Inner Filling: 100% polyester (3-layered sandwich structure) Fitted Sheet: 41x85in (105x215cm), 100% Cotton, Elastic edge Country of Origin: Japan [3-LAYERED STRUCTURE MATTRESS] Firm pad in the middle is sandwiched with separately-quilted soft fiberfill pads on top & bottom. This SOFT-FIRM-SOFT layered structure is a core identity of EMOOR's long-selling CLASSE series. Looks fluff but gives firm support. Good for your back. [FLOOR SLEEPING LIFE WITH JAPANESE FUTON] Japanese Futon setups do not need a bed platform. Fold in three and store in the closet or just put aside at corner, to make your room spacious during the day. Perfect for minimalists, guest-use, camping, frequent movers or dorm students to save money and space. [HOW TO CARE] Futon mattress: Non-washable. Use included cover and wash the cover only regularly. Dry under the sun on sunny days or in a well-ventilated room regularly to keep your bed dry and clean. Fitted sheet: Machine washable with washing net. Do not bleach or tumble dry. Line dry in shade. =Check EMOOR Store for a variety of covers, towelkets, Tatami mats and slatted beds!= Overview Brand : EMOOR Size : Twin (39x79in) Product Dimensions : 79"L x 38"W x 2.5"Th Top Style : Quilt Top Cover Material : Cotton Number of Layers : 3 Fill Material : Polyester Fiberfill Special Feature : Foldable Color : White Model Name : CLASSE Item Weight 5.3 Kilograms : Item Firmness Description Firm : Item Weight 5.3 Kilograms : Item Firmness Description Firm