for It can be said that the training is one of the most negative training methods to the body's power and coordination.The training methods of the are mostly lifting, pushing, and rotating, and bursting is biggest feature. if you to learn the following training moves, you must first understand this equipment.The is a different device. Different training methods have different training " positions." weight: 15kgcolour: greenMaterial: PVC+silkNote: The delivery is an empty bag, the sand needs to be packed by yourselfPackage Contents:1 x Exercise sandbagOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.