Spend Some Muscle Relax Fascia Ball Foot Massage Ball,Blue

product description
1. Suitable for use on the back as the space between the two balls allows for massage around the spine
2. For effective and targeted massage of the spine, upper arms, deltoid, calf muscles and other body parts
3. The material is waterproof, easy to clean and no smell
4. Myofascial release tool for volume finding, yoga, pilates, weight training, bodybuilding and other workout activities