high quality materials Odorless and tasteless, with a silver-coated fabric inside to prevent the protective cover from cracking after sun exposure. Also this egg chair cover is designed with zipper, easy to cover/uncover your chairs. Velcro side-strap According to the size of your sofa chair, you can adjust the elasticity of the cover at will, even on a windy day, it can also ensure that the cover will not be blown away by the wind storage bag The product comes with a storage bag to store the hood when not in use, and it doesn't take up too much space, making it easy to store. waterproof fabric This product uses 210D waterproof Oxford cloth to protect your outdoor furniture set from water, dust, fallen leaves. Keep your outdoor sofa dry all the time.