for It can be said that the training is one of the most negative training methods to improve the body's power and coordination. The training methods of the are mostly lifting, pushing, and rotating, and bursting is its biggest feature. But if you want to learn the following training moves, you must first understand this equipment. The is a different device. Different training methods have different training "target positions." Bearing weight: 10kg colour: random colors, 't accept the specified color Material: PVC+silk Note: The delivery is an empty bag, the sand needs to be packed by yourself Package Contents: 1 x Exercise sandbag Only the above package content, other products are not included. Note: Light reflection 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.