-Upgraded 420D waterproof oxford material. The grill cover is made of high quality sturdy polyester fabric. New fade-resistant special fabric with water repellent treatment. This new material has excellent color fastness to UV rays, rain, tear and cold cracking, providing your grill with year-round protection from sun, rain, snow, hail, wind, dust, dirt, etc. -Increased safety and windproof design. Use large straps, drawstrings and a windproof clip to fasten it securely. No more worrying about your grill cover blowing away in strong winds thanks to the included velcro straps that help tighten the grill cover. Additionally, there is a drawstring on the edge of the grill cover, you can adjust the length according to your needs. Sturdy 1.5 inch wide securing straps keep the lid securely in place and prevent the lid from slipping or flying away. Tear and UV resistant. Made of hydrophobic material and double wrapped edges. The upgraded double thread stitching provides complete protection