Why the MustMat tatami mat? Folds easily. Firm and comfortable. The surface is 100% rush grass. Great for back problems or to be used for relaxation in a loungeroom. Use as a Oriental Rug on the floor, Use as a Underlay Mattress for the Japanese Traditional Futons too. Provides Maximum Comfort. Japanese Traditional Futons Suitable for bed/meditation space / yoga/zen room/Japanese tearoom. Size: 35.4"x78.7"x1.2" Size: 35.4 x 78.7 x 1.2 in（standard metric size 200 x 90 x 3cm）. Can folded in four. (Folding size: 35.4 x 19.7 x 4.8 in.) As a Cushion According to the size of the space, fold into different sizes. Sitting on a mat and resting is also a good choice. Read more 100% Rush Grass The surface is 100% rush grass. The backside is a non woven fabric. Rush grass have a peculiar smell. There are also people feeling smell strongly because there are individual differences. If you are worried about smell, please do a shade for a day in a well-ventilated place. I think whether it will not bother you to some extent although it does not completely disappear. Portable & Folds Easily Weighs only 7 pounds. It folds up for convenient storage and carrying it to-and-from the closet or outside for its airing is easy-peasy. Washing Instructions & Maintenance Please wipe off dust powder with a dry towel or soft cloth along the seam before use, then clean the surface of mat with the wet towel, and dry it in a ventilated place. Do not exposed to the sun. Avoid Direct Sunlight Please avoid it directly exposed by the sun. Sun exposure can easily tend to cause the problem of grassy yellowing, aging, breakage etc., and loss of the primary color of the rush mat, which will affect the appearance and shorten the service life. Keep Dry & Cool Please open the window frequently to let fresh air blow into the room to create a dry and cool environment. Read more