You can fill it with anything you want, such as old clothes, rags, quilts, pillows, sand, corn, sawdust, foam, sponge and cotton, etc. Quality and Durable Materials: The punching bag is made of super quality microfiber pu leather, designed with multi-layer construction and shock-absorption foam padding, which can effectively reduce the impact force generated during boxing, protect the wrists and joints, and provide a good boxing experience.
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