Materials: We took advantage of the materials to the quality is excellent. duty workout sandbags are made of sturdy nylon, strong and , would hold up to years of use. Multiple Training Methods: A must to have daily fitness weights sandbag, nylon ribbons to meet a variety of training methods - lifting exercise, shoulder exercise, hand exercise. It is the tool for the training of your whole body as you engage in deadlifts, presses, carries, lunges, throws, squats in this sandbag. No Sand Leakage: The training sandbag has a built-in filler bag with an zipper and hook-and-loop closure to filler material stays fully contained as you work through your regimen, no to dirty clothes. Portable & Easy to Use: Sandbags can be emptied and then re-filled, they function as uniquely portable training tools for athletes of any experience level. They can be used in any place of your choices such as beaches, , trail and camping activities. There are several exercises you can do with these sandbags either as a professional or an amateur. Colour: Black Material: Nylon Size: 19x40cm Package Contents: 1 * Training Sandbag Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.