The beam is 8 feet long, the top is 4 inches wide and adjustable. The adjustable beam braces can be set at 12″ 14″ 16″ and 18″ high. Made with 3/4 laminated wood. The padding is 3/8 closed cell foam. All beams are wrapped with a commercial grade synthetic suede. Nimble Sports guarantees everything sold with a 1 year warranty. There is a 30 day return policy and a 20% restocking fee on all returns.