Specification: Color:Gray Applicable Motorhome Size:37'-40' Package Include:1×Motorhome Cover,1×Storage Bag Features: Tearproof: Newly developing mixed Anti-UV composite fabric for top panel,extra-thick,extra strength,rip-stop;Can provide maximum weather and damage protection against harmful UV,rain,snow,dirt,nicks,and scratches. Windproof: The change of position of the middle tension panels on the side effectively increases the stress area and provide 2pcs extra straps to tie the body of your RV. we lead the windproof design of tension panel & windproof straps, and we believe that our innovative spirit and professionalism for rv covers cannot be imitated. .