The Traditional Japanese Futon Mattress provides the perfect amount of firmness for a healthy back and sleeping posture, while giving the right amount of comfortability to get a good nights sleep! The mattress is a portable roll-up bed that instantly provides a comfortable sleeping space or lounging solution. It's ideal for camping, sleepovers, dorm rooms, playrooms, guest beds, and as a mattress topper. It makes for a great space-saving alternative to cots, foldaway beds, rollaway beds, and futons. Conveniently rolls up, allowing it to fit easily into the bag for a hassle-free transportation and compact storage. Available in three sizes： Small Size: 90*200*8 cm(35"*78"*3" inch) Medium Size: 120*200*8 cm(47*78*3" inch) Large Size: 150*200*8 cm(59"*78"*3" inch) Note: This mattress cannot be washed, Bleach, Iron, Lay flat to dry. We compress this item when packing, So it needs 2 to 3 days to restore the normal thickness after you open the package.Drying in the sun, it will restore the effect! The cutting fabrics of all new mattresses are 200cm long and the finished products are about 195cm long. The standard size will be restored to 200cm during use! *Product fabric: Soft&Warm Flannel *Base Fabric: 5D breathable mesh *Filler: Hard cotton, polyester fiber *Package: 1 X piece mattress *Please allow manual measurement errors and color differences caused by different monitors.