Montana Grilling Gear Synthetic Leather Vinyl Ventilated Propane Tank Cover for 20lb Tank &ndash; Durable, Weatherproof, Water Resistant Material - 12.5" X 18" - GVT-22LB WEATHERPROOF: Built from 100% weatherproof synthetic leather vinyl material this water resistant and durable propane tank cover is great for your grill, RV or any other propane tank application. UV RESISTANT: This propane tank cover is UV protected to prevent your cover from experiencing premature fading and damage from the sun. CRACK RESISTANT: this cover is given a cold crack treatment to resist extreme cold temperatures. MILDEW FREE: This material resists mildew and fungus plus with its industrial construction it will outlast any other cover on the market. It also features Montana Grilling's patented Innerflow ventilation system to draw out moisture and reduce rust on the propane tank. SATISFACTION GUARANTEE: At Montana Grills, customer satisfaction is top priority. If for any reason you are not completely satisfied please reach out to Montana Grills directly and they will happily assist you.