Hentex Stackable Patio Chair Cover,Breathable 3 Layer Eco Durable Waterproof, Velvet Liner Tight Fit by 2 Stopper Drawstring & Leg Buckles,30x27x31.5/48",Khaki Breathable: The Hentex cover has a unique 3 layered structure in the material, it not only prevents the ingress of water, snow dust & dirt while reducing condensation, but also allows the moisture going out through the breathable Hentex Membrane, leaving much less mold and mildew especially in hot & humid summer, the life of patio furniture can be significantly extended by the prevention; Durable: The majority of the material is made of lightweight high strength rip stop oxford polyester, light durable & easy to handle; besides, with advanced tinting technology, the color fastness under UV light is at least 5 times better than that of normal dyed polyester, the color is much more stable under the sunshine, also there'll be no color migration; UV Protection: in most cases, UV light from the sun is the main cause of the furniture aging, which lightens the color and turns the material brittle. To further slowing the process, Hentex adds UV protection to the patio covers. Based on testing results from SGS, the rating is UPF50+, and the blocking percentage are: UVA: 99.95%,UVB: 99.95%. It will better protect the furniture in long term; Eco-Friendly: Hentex cover are totally made with eco-friendly materials. It passed SVHC include 174 items of chemical elements testings, especially, unlike the normal cover, Hentex cover use NO PVC in all covers - PVC is commonly used in covers as backing but it is almost impossible to degrade in natural and toxic after burning, not environment friendly. Customized Cover Design: Hextex cover are customized based on most popular patio furniture, targeting bringing you the most handy & satisfying experience. Besides providing protection from outside, velvet liner provides extra scratch protection from inside; flaps, drawstrings with stoppers,zippers,buckles & build/sewn in accessories are widely used to ensure a tight fit&flexible application