ADCO 64866 Winnebago Class B RV Cover Builtfor all climates; reduces premature aging and maintains resale value 100% breathable to prevent mold and mildew; protects against UV rays that cause unwanted cracking and fading Reinforced buckles, flaps and straps resist rip-out and significantly reduces premature aging of RV and helps maintain resale value. Front, rear and bottom buckle cinching system removes slack and prevents billowing 2year manufacturer warranty