For high moisture climates including all northern states and Canada. Protect your investment and provide triple the protection compared to standard covers. High performance polypropylene sides insure maximum breathability and virtually eliminate mold and mildew. Triple layer SFS AquaShed® top panel beads water on contact affording maximum resistance to high humidity and rainfall in addition to protection against UV rays. Contoured to fit Class B Motorhomes. Strap and buckle attachments prevent billowing in windy locations and allow for a custom look. Reinforced, elasticized corners resist tears and snags. Front and rear cinching system for loose fabric. Includes storage bag for easy stowing of cover when not in use. Polypropylene ladder cap reinforces rear panel reducing cover wear over ladder. Exclude bumpers and ground clearance when measuring your van to determine the cover needed for a proper fit. Scaled to fit Class B's up to 84" wide and 96" tall.