Boxing Training Center: Our free standing speed punching bag has a 4 in 1 function, coming with two speedballs, a 360° reflex bar, and a PU-wrapped boxing bag. This makes our punching bag with stand a great workout right at home, or at the gym or office.Adjustable Height: The height of this boxing equipment ranges from 63" - 90.6", great for any height of use. This punching stand is suitable for most people, such as teenagers and adults, professional athletes, or boxing lovers.Fillable Freestanding Base: The base holds water, sand, or both to keep the bag steady. In addition, the boxing bag is equipped with 12 suction cups that allow for better stability. When empty, the kickboxing bag is easy to move and store.Physical Fitness: Boxing is a good stress-relief exercise! This reflex bag boxing can help raise your heart rate for a great workout while helping you develop timing, speed, and accuracy of hand and eye coordination.Punching Bag for Adults Dimensions: Overall Dimensions: 34.6" L x 19.7" W x 63" - 90.6" H. Base Size: 19.7" Dia. x 10.6" H. The base can hold 99 lbs of sand, 66 lbs of water, or 88 lbs of a sand/water mix.