Aluminum frame, 2mm thick, square corner tent legs (40mm), polyester top. Inside joints are all riveted, outside structural joints are screws/bolts. No plastic gliders or parts to dry-out and break. Rubber caps on tops of structure. Each comes complete with frame, top, four side walls, two with centre zipper openings, tent peg kit and carry bag. Once top is installed, it may be left on and put inside carry bag. Material is waterproof and UV protected. Available in navy blue, black, royal blue, white, yellow, red and green.