Product Name: Fitness Free Standing Kick Boxing Training Punching Speed Ball Material: / Appliance: Gymnasium, Home Exercise Part: Arm Certification: / Age Group: Adult Power Source: Manual Folded: Folded Transport Package: Carton Origin: China Product Description 1.Height can be adjusted from 120-160cm2. base can be filled with water and sand.it will be more stable after filling 2/3 sand and 1/3 water3.It can help you keep fit and body shaping