Constructed of extra thick premium grade genuine cow hide leather outer shell with premium grade canvas full-length supportive inner lining. Quadruple stitching and stainless steel rivets in all stress areas with doubled-over extra-thick premium-grade genuine cow-hide leather hanging loops for ultimate longevity. Contoured to naturally feel like the shape of a real opponent. Stainless steel hanging chains. Built to withstand the daily punishment in Bangkok’s top gyms. 100% hand-crafted in Thailand.