Bravo! Sports Quik Shade Weekender 81 12- by 12-Foot Canopy One-piece, fully assembled, powder-coated frame, Multiple height adjustments Frame-integrated hook and loop for quick top attachment, Protective aluminum backing on top blocks out 100% of all harmful UV light New-spring loaded pull-pin sliders and leg extenders, Patent-pending smooth glide bearings for quick operation Wheeled carry bag Nylon feet for added durability