Frame: Heavy-duty 3" round 11 gauge tubular steel. Powder Coat Finish: Polyester Electrostatic Resin powder coat offers a durable, low maintenance finish. Parts: Hardware consists of 1/2" anti-rust coated bolts. The pivot points have 2" precision sealed steel ball bearings, to ensure a smooth and relaxing motion. Seats: The contoured, 1 1/8" thick, imported hardwood seats support the body for ultimate comfort. Optional Canopy: The optional canopies are constructed of .4mm thick polyester or 100% solution-dyed acrylic canvas. There are ten optional canopies: Round Forest Green, Round Camel, Round Sesame Linen, Round Navy Blue, Round Burgundy, Square Forest Green, Square Camel, Square Sesame Linen, Square Navy Blue, and Square Burgundy. 430P Pendulum Swing: Length 84" x Width 72" x Height 89" (User space Length 84" x Width 72" x Height 89"). 430P Swing with optional canopy: Length 84" x Width 84" x Height 98" Product is patent pending. Health In Motion LLC. reserves the right to alter product specifications at any time.