Description   100 % rush grass except for the brown rim (thick polyester fabric for durability) “Tappuri” means fully and generously in Japanese. This rush grass mattress is purely made of rush grass. No urethane layer is added for cushioning.  Great item for the people who really like the nature of rush grass. Both sides can be used as topside. Thickness approx. 0.4″ / 1.0cm   Single size   Layering sample with shiki futon (single size)       The tough threads are used for connecting the three parts and make it able to fold. There are fold lines overall. This is because there is no core urethane board inside which stretch the rush grass sheet. This is a natural status of the item. The fold lines can not be removed.        -Features of rush grass Since rush grass has 2.5 times the moisture absorption power of cotton, it reduces sweat build up. Rush grass is capable of controlling moisture, and aids in sleeping in a dry and pleasant manner. Rush grass prevents the substance that causes the smell of sweat, as well as other unpleasant odors, from accumulating.      -Aomori hiba coating The rush grass surface features Aomori hiba coating (with antimicrobial / deodorizing effect). Through our special technique, the product and materials have been processed with hiba extract sourced from hiba trees in Aomori Prefecture. Hiba extract contains hinokitiol, which is known to be an exceptionally potent antibacterial substance among natural materials. It is used and researched extensively in various fields, including medical and cooking. -Caution in use *The color of the edges may look different from the color of the center, but this is not mean that the product is defective. The difference in color is not caused by color fading or exposure to sunlight. It is due to the natural characteristics of rush grass. Details Place of production Japan Product material top side : rush grass bottom side : rush grass  rim : polyester 100%                 Ikehiko Ikehiko Corporation was founded in 1886 (Meiji 19) by Ikegami Hikotaro in Fukuoka, Japan. They started off as a small tatami shop, and has grown into a full-fledged interior product company with a staff of over 360. They are a comprehensive interior manufacturer that develops, manufactures, plans, and sells rush, tatami mats, kotatsu, rugs, and bedding. With the theme of “Natural Life, let’s live in nature”, they will create a comfortable space for the future. Their main clients in Japan consist of more than 300 companies including AEON Co., Ltd., Seven & i Holdings Co., Ltd., SHIMAMURA Co., Ltd., and MUJI (Ryohin Keikaku Co., Ltd.)     Submit your reviewName: Email (Your email address will not be published.): Review Title: Rating: 12345Review:   Check this box to confirm you are human.Submit     CancelCreate your own reviewFuton TokyoAverage rating:   3 reviewsPatriciaApr 22, 2023 by PatriciaExcellent service, thank you Futon TokyoschlusoJan 13, 2023 by schlusoVery nice and accommodating contact, very fast delivery, items as described. The scent is quite intense.KikiDec 8, 2022 by KikiPerfect and was shipped fast. It also smells so refreshing!