Great Stretch Material The fabric armrest covers are made from 94% polyester and 6% spandex, which is soft, comfortable and stretchy. Furniture Protector The stretchy arm slipcovers renew and decorate your chair armrest. It can protect your chair arm from stain, scratch. Stretchy & Easy To Use The elastic armrest covers is more stretchable It can perfectly covers the armrest, which is not easy to slip or shift. Specification: Material: 94% polyester, 6% spandex Weight: 310g Installation Size: L: 17.9"-20.9",W: 6.4"-7.9",H: 7.9" -10.9" Package include: 4 x Armrest Cover 4 pieces in a set, it's a considerate thought for you to wash the two armchair covers off. the other two can be stead directly to protect your sofa arms. Size is L: 17.9"-20.9" x W: 6.4"-7.9" x H: 7.9" -10.9", which is suitable for most armrest cover. The color is available with simple design, perfect for any style chair and sofa. The fabric sofa arm covers are made from 94% polyester and 6% spandex, which is soft, comfortable and stretchy. It is no longer a simple cover, but a part of sofa armrest. The stretchy armchair arm covers renew and decorate your chair armrest. It can protect your chair arm from stain, scratch. It is great for home with pets.