Boxing Ball Reaction Target Spinning Vertical TrainerKey Points: 1. Safe and durable: high quality hand sewn artificial leather balls and shock absorbing polyurethane shells are more durable and safer to participate in sports for a long time. A sturdy high speed ball prevents air leaks. 2. Training boxing ball: 360 flexible reflex bar can exercise your coordination and reaction speed, arm muscles, reduce weight and release tension. 3. Adjustable height: easily adapts to everyone's needs, suitable for