Extra Strong and Antipool: Large 12'x12' canopy have long truss beams easy to bend. Our exclusive 8-rib umbrella style frame construction provide excellent bracing to the truss beams. Structurally stronger and stabler. Also Support canopy fabric all around, prevent water from trap, pocket or pool in rain. 
High Performance Vented Canopy Top: Specially treated for outdoor environment. 210D UPF 50+ UV block Oxford fabric. Heat reflective underside coating and hydroflow top coating. Seam sealed with tapes. Ever raised double vents design. All corners reinforced. 8 Velcro straps for attaching the top to frame. 4 guy rope points. Double vents allow greater airflow. 
Easy Fast Set Up: One piece frame, no assembly. Auto lock, set up easy and fast. Pinch free push-to-release mechanism, take down in a minute. </