Thoughtful and enhanced design: Made of 1000 Denier (1000D) Coated CORDURA Nylon Fabric, strong stitching and zipper closure to ensure durability and performance. Strategically placed handles offer opportunities for various workout moves. Multi-function training gear: Employ the sandbags to engage your core and target multiple muscle groups in numerous exercises: Lunges, Deadlift, Squat, Burpee, Snatch, Spider, Overhead press, Hammer curl and many more. Reap a multitude of body strengthening benefits: By having to control the changing center of mass constantly, training with sandbags helps condition and build stability, strength, and performance in other sports. These bags are small and stackable and take up little space for garage, home gym. You can also empty it at one location and fill it at another, they are easy to transport.JUST THE RIGHT SANDBAG: Our Sandbags come in a variety of colors and capacities so you can choose the exact bag for your level of fitness and training goals: S (5-25 lbs), M (25-75 lbs), L (50-125 lbs) & XL (125-200 lbs). FULL PRODUCT SET INCLUDES: S – 1 small inner bag (5-25 lbs), M – 1 small & 1 big inner bag (25-75 lbs), L – 3 big inner bags (50-125 lbs) & XL – 4 big inner bags (125-200 lbs)