Swing Specs: Seats 2 people. Frame: Heavy-duty 3" round 11 gauge and 14 gauge tubular steel. Powder Coated Finish: Polyester Electrostatic Resin powder coat offers a durable, low maintenance finish. Parts: Hardware consists of 1/2" anti-rust coated bolts. Pivot Points: The pivot points have 2" precision sealed steel ball bearings, to ensure a smooth and relaxing motion. Seats: The seat is made from a breathable PVC fabric which is contoured the give the body a weightless feeling. Included Canopy: The 4' x 4' canopy is also made from breathable PVC fabric which is 80% UV resistant.