Enhanced Wind Protection - Alongside two over roof straps, this rv cover also include an extra-long horizontal strap that wraps around the bottom of your RV to prevent wind from entering and causing the rv cover to billow and tear. Additional bottom windproof straps, bottom around elastic hem, and front and rear tension panel straps ensure a snug fit tailored to your RV’s shape. knowing your RV stays protected through heavy rain and howling gusts. Thickened 7-Layer Fabric - Made from 7-layer non-woven fabric, our true heavy duty rv cover with 4% anti-UV composite provide excellent protection against UV, snow, dust, and scratches. Plus, the outer layer features a water-repellent coating to make rain bead up and roll off effortlessly. A breathable membrane in the middle layer help rv cover expel moisture on sunny days to keep the interior dry 30% Increased Durability - upgraded from old version with only small patches on 4 bottom corners, our rv cover protect 8 corners with extra-long reinforced patches. Larger patches design minimizes the risk of punctures and tearing from sharp edges. Plus, The rear corner patches are heightened to protect against ladder edges, further preventing tears. With thicker fabric and thoughtful design, we ensure better user experience and product lifespan Tire & Propane Tank Covers + Abundant Accessories – Complete package includes 4 tire covers (no need to purchase separately) and a propane tank cover to keep your tank clean and protected. In addition, this RV cover set comes with ①tongue jack cover to shield the trailer pole from rust, ②6 gutter spout covers to prevent scratches from sharp edges, ③2 weighted toss metal sticks for easy strap installation, ④a repair patch for minor tears, and ⑤a step-by-step instruction manual for effortless setup. Access Upgraded & Ventilation - Besides 3 zippered roll-up side panels for easy interior checks and loading, there are also 1 rear zippers panels designed for toy hauler trailers. You can easily load/unload large outdoor items like bikes and motorcycles. Zippered Panel are suitable for most entry doors. Featuring 6 vents on the sides and ends, our rv cover promotes airflow to keep the interior dry and balances air pressure, preventing moisture buildup rv cover travel trailer cover camper cover heavy duty waterproof windproof snowproof sunproof ripstop covers