✔Lightweight with the height adjustable design brings more fun to your training. ✔Easy assembly and easy storage, With the installation instruction you can easily install the punching ball in minutes. ✔The base can be filled with water or sand(up to 88 lbs) to stabilize. ✔Great set for training skill, agility, and coordination.Perfect for improving hand/eye coordination, increasing cardio. Specification: Material: Plastic, Metal and Fax Leather Color: Black Item: Punching Ball Design: Height Adjustable Base Size: 18.7 x 7.8inch(D x H) Ball Size: 7.0 x 9.8 inch(L x H) Height: 53.5~60.6inch Occasion: Casual Application: Indoors/Outdoors Ideal for: For Boxing Training Quantity: 1pcs Package content: 1 x Punching Ball 1 x Standbox