Vinex sand bag shell made of heavy duty PVC coated fabric. This shell is padded inside with PE foam & can accommodate sand bag up to 10 kg (sand bag sold separately). Two sets of handles for better gripping. Sand bag training helps develop power and strength in the lower, core, and upper body efficiently due to instability of the load. It is used for varied weight training. Size: 20" (L) x 7" (Dia.)