ApplicationIt can be installed in the bedroom, study, living room, gym, etc. It also allows you to release your stress from work or study. It is widely used in boxing, combat, kickboxing, Wing Chun, aerobics, and other sports. How to Install 1. Drive expansion bolts into the wall according to the distance of the mounting holes on the bottom side.2. Tighten the expansion screws.3. Install the frame in the screw slots on the side of the bottom bracket and then tighten the screws with a wrench(not included).SpecificationColor: BlackMaterial: PU, EVA, Sponge, Steel Process: Spray MoldingSport Type: BoxingFeature: Wall-mountedOverall Size: 30*30*25cm/11.81*11.81*9.84inchPackage Size: 37*32*27cm/14.57*12.60*10.63inchGross Weight: 4.5kg/9.92lbs Package Included1*Wall Mount Uppercut Boxing4*Expansion BoltsNotes1. The installation height can be adjusted as needed so that adults and children can use it for boxing training at home.2. It is normal that the expansion screw will blow up after the force is applied.3. Please allow the slight color difference caused by the shooting light and the 1-3cm error due to manual measurement, and make sure you do not mind before ordering.