Nimble Sports "3Play" Horizontal Bars with 8ft Blue Mat Combo vinyl coated nylon Made in USA The height of each bar will adjust to 36, 42, 48, 54, and 60 inches. The distance between bars will adjust to 18, 21, 24, 27, 30, 33, and 36 inches. The bars weight limit is 125 pounds. Mat is made with 1-3/8 inch thick cross link firm foam enclosed in a durable 18 ounce vinyl coated nylon cover. Velcro strips on each end allows you to connect additional mats for more tumbling fun.