Professional marine grade 11 ounce polyester canvas that is completely waterproof, puncture resistant, tear resistant and abrasion resistant Winter season won't stand a chance against 30 mil tinted Aqua-View Vinyl door windows - they're crack-resistant all the way down to -20? Roll-away doors and windows These easy-to-use solutions let you take your doors with you and stow them away when not in use. No more hassle - time to travel with ease Full length double pull YKK marine grade zippers Includes hardware, installation and care instructions . DOORS CAN-AM DEFENDER