SKLZ Super Sandbag Brievenbus making self massage more comfortable Size:120 cm making self massage more comfortable easily change speed and get insight into all your performance Specifications SKLZ Super Sandbag: High capacity training bag Perfect for developing overall body strength Suitable for a wide range of training methods Outer bag features 6 grip handles Zipper casing with Velcro reinforcement Maximum weight up to 20 kg Dimensions: 25 and endurance