●(Special Cover Fits Snugly) Easy design by simply putting it on and tying it with a string ●Washable: If it gets dirty, it can be removed and washed, so it is always clean ●Product Specifications: Claiming Material: 100% polyester ●This is a cover for the 1st, 1st Edition, Premium, 2nd Edition, and 2nd (rotated). Cannot be used with the 3rd series long type. Please note: