The Everlast Hyperflex Strike Bag with Stand unique design of the Everlast Hyperflex Strike Bag allows it to move and sway with your strikes, simulating a real opponent's movement. This can help improve your speed, accuracy, and timing, as well as your overall footwork and balance.The Everlast Hyperflex Strike Bag with Stand is made with durable materials and features a high-density foam core that provides a consistent and resilient target for punches, kicks, and other strikes. Customize bag height with steel stand's adjustability