Lightweight and portable for easy setup. Improved stability with a combo snap and spin lock for easy adjustment and safe locking. Adjusts every 3" from 35" to 53" Product covers area 47" x 55". For children under 100 lbs. The training bar comes with a wood laminated bar with a 4' span for basic 4' mats to fit between uprights. Mat item 416662 training bar skill cushion 4'x8' recommended to be used under bar.