Vertical tumbler Mook Yip/Bruce Lee's Wing Chun martial arts equipment

Product features:
tumbler sandbags is the next generation of boxing punching bag without suspension, occupies a small, light weight, easy to carry, and may at any time change of train station; simple to install and use just the base with water or sand and then it can be used in indoor and outdoor training, after installing water and sediment loading of up to 100-120kg, firm, stable! Train noise when hit, family, fitness clubs and sports venues of the ideal configuration!This product is, ** College ** forces, martial arts school and Tae kwon do and other specified training equipment, and exported to many countries overseas, and received several patents, the best choice was boxing and Sanda of wushu training!