- Professional marine grade 11 ounce polyester canvas that is waterproof, puncture resistant, tear resistant, abrasion resistant
- Door windows and rear window are constructed of durable 30 mil tinted Aqua-View vinyl
- Convenient roll-away doors provide the option of taking your doors with you and stow-away when not in use
- Full length double pull YKK marine made zippers
- Complete with self-adhesive velcro, installation and care instructions
- Zippered Side Windows - Windows zip on 2 sides, the front and top
They work great, don't even have a heat and I stay warm with them. Only down fall is the shipping time was 3+ weeks.