It's anti-UV and water-resistant. To ensure proper fitment, please take an accurate measurement of your RV. Attention: This normal RV cover is not included Assist Steel poles

[Durable Material]: Upgraded the top panel fabric to extra thick 5-ply non-woven fabric mixed with Anti-UV Composite and waterproof membrane, upgraded 110g non-woven fabric side protects against rain, snow, and scratches. Reduces premature aging of RV and helps maintain resale value.

[Windproof Upgrade]: 2PCS extra long straps and front cross-strap panel to resist the wind better. Inner many waterproof Straps and Buckles at the bottom are more anti-aging than the outsides. Adjustable front and rear tension panels and elasticized hem corners provide a custom fit. The air vent system reduces wind stress.

[Easy Installation]: - Weighted buckle toss-bag under for easy installation; 3 zippered panels allow access to the RV doors and engine areas anytime, easy to view and check internal situation; 4 reflective strips in front and rear for safety and avoid collision during the night. Full cut to allow room for ladders, air conditioners, etc.

24-Months warranty. Within the Warranty Period, We always offer excellent after-sale service for this item. Easy to assemble.