Pain Should be Temporary and Gain Permanent: A reflex punching bag may seem lighter on the fist than the average punching bag, but repetition can wear on your muscles and bones over time. Because of this, wraps are included to keep your fist tight and protected.360° Reflex Bar: Improve reaction time, hone accuracy, and further aid in agility. Our cobra reflex bag with stand includes a boxing bar with a pad letting you dodge, react, and punch back, simulating a sparring match.Adjustable Height: Adjusts from 64.25" - 80.75" to accommodate a wide range of sizes: teenagers and adults, professional athletes, or boxing lovers.Stable Base: Robust sand or water-filled base to ensure stability. The 12 suction cups underneath offer a strong suction on the floor, which provides excellent support for the boxing reflex bag and is very stable even when hitting it hard.Boxing Trainer Info: Overall Dimensions: 31.75" D x 19" W x 64.25" - 80.75" H. Speed Ball Size: 6'' Dia. x 6.75'' D. Loading Capacity of Base: 66 lbs. (Water), 77 lbs. (Sand), 88 lbs. (Sand / Water Mixture). Air pump included for assembly.