Made at the request of a friend! The size is 30 x 30 cm. The fabric is water-repellent. The mat inside uses silver mat, so it can be used even in winter. There are only 18 black cases, so they will be discontinued when they run out. Uses: Survival games, outdoors, camping, work, etc. Discounts are not available due to shipping costs. Please comment if you wish to purchase. I will create a dedicated listing for you. Discounts are available for combined purchases with other items I am selling. Self-Defense Forces, JGSDF camouflage, Japan Ground Self-Defense Force Military, Survival game Personal equipment, Multicam Camouflage, Butt mat Unnecessary