Insulation sheet. Please understand that this is a used item and may have stains. This appears to be an accessory from a manufacturer of potential therapy devices. It can be used for insulation in potential therapy devices. Suitable for insulation in potential therapy devices such as Asmo Care, IAS, Iasis, 14000 Power Health, Shenpeck, Trans Saber, Kenju, Cosmo Doctor, Energytron, and Healthtron. For use with 1000V to 14000 volts. Shipping to Okinawa is not available due to high shipping costs. For Hokkaido and other remote islands, an additional 1000 yen will be added to the shipping cost. The size is approximately 1m x 2m, but I haven't measured it precisely, so please be aware that this is an approximate size and no claims will be accepted. Please purchase only if you agree not to make any complaints later. I will not give a negative rating in any case regarding this listing, so please only purchase if you can firmly promise not to give a negative rating in any case. Mercari, this is an accessory and not a medical device. Please do not delete it by mistake.