ITEM NAME:Heavy Duty Workout Sandbags Weightlifting Sandbag Strength Trainer Black Description: Reinforced Oxford cloth and PU material-durable, heavy duty and solid Develop total body strength, stability, and endurance with the Super Sandbag training aid. This versatile training tool allows you to execute countless training exercises that work your upper and lower body. You can swing it, lift it, squat it, stabilize it, and pretty much anything else. There are 4 filler bags inside the outer shell that can be filled with 10lbs of sand each. (10-40lbs, sand not included) Specification: Material: Oxford Cloth Size: Big bag: 48x20cm/18.89x7.87inch Small bag: 33x19cm/12.99x7.48inch Package Includes: 1 Piece Empty Sandbag (Bag Only) 4 Pieces Empty Filler Bags (Bag Only) Note: Note: ONLY bag, the inside sand is NOT concluded. SKU: DMO0000983866023376.Develop total body strength, stability, and endurance with the Super Sandbag training aid. 1 Piece Empty Sandbag (Bag Only). Reinforced Oxford cloth and PU material-durable, heavy duty and solid. This versatile training tool allows you to execute countless training exercises that work your upper and lower body.