Why choose our height adjustable punching bag?1.Multipurpose:speed ball+whip leg target+swing arm.2. Heavy-duty stable base: thickened and enlarged 50cm base, can be filled with water and sand, equipped with 12 powerful suction cups, can firmly grasp the ground, silent and not disturbing the people.3.Height-adjustable: The height of the stand can be adjusted freely (120cm-210cm), which can be used by children and adults.4. High-strength spring: diameter 2cm,can be bent more than 90°, high-speed rebound, smooth hitting, training hitting accuracy5. Comfortable hitting ball: good texture, soft and comfortable, no glove, no hand injury, long time hitting hands will not hurt.6. Simple installation: Simple installation, small footprint, small footprint, convenient exercise.Parameter:Namemultipurpose punching bag/speed ball/swing arm/whip leg targetColor: BlackMaterial: PU+ steel+ PEHeight range: 120cm-210cmBase: diameter 50cm,height 33cmLeg hitting part:height 50cmHitting ball:diameter 18cm,height 30-40cmSwing arm:length 60cmNet weight: 12kg overInject sand weight: 75kgInject water weight: 50kgPackage includes:1*Freestanding punching bag with stand