Montana Grilling Gear Ventilated Propane Tank Cover for 20lb Tank &ndash; Durable, Weatherproof, Water Resistant Material - 12.5" X 18" - TC-20LB WEATHERPROOF: Built from 100% weatherproof 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. 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.