Feature●(Product Basic Specifications) This is a fascia release ball. It can help you to achieve stiffness and pain. Application instructions included●(Supervised by Doctors) The supervision of a Judo restorator has been certified acupuncture acupuncturer for about 20 years in the industry and is supervised by the Chief of the Judo restorator. Over 90,000 therapeutic experiences. Includes 2 massage balls + instructions for the supervision of the Man. You can use it according to your neck, feet, hips, and more to improve your bodys performance with the correct use method●Joint bi-joint theory: Understanding this theory allows you to learn how to approach body fatigue and pain. It snaps onto trigger points such as shoulders, back, hips, hips, hips, legs, and other areas to loosen muscles by utilizing properly. You can also expect the effect of eliminating swelling problems●(Product Specifications) Set Includes: Single sphere + 2 balls + Exclusive instruction booklet Size: Single ball diameter 3.1 inches (8 cm), Twin ball = W 3.1 inches (8.0 cm) x D 6.3 inches (16.0 cm) x H 3.1 inches (8.0 cm), Weight: Single ball = approx. 0.5 oz (15 g), Twin ball = g, Material: EPP●(Safe 30-day warranty) From the BOSSAM brand operated by a Japanese Corporation, it will quickly deliver it to the customers in its original package. This product comes with a 30 days return policy. Trademark Registration Number: 6699912Description