Massage ball, fascia release ball, stretch ball. Weight: 160g, Diameter: 65mm. This is a set of 2 massage balls with a cylindrical carrying bag. It stimulates trigger points and allows for fascia release. You can easily self-massage your neck, shoulders, back, lower back, and calves. Simply lie on your back and place the ball on the area that feels tight, applying gentle pressure and rolling it around to refresh yourself. You can easily stretch and perform a full-body self-massage at home. It is designed to resist deformation even with weight applied, ensuring stable movement even after repeated use. The lightweight and small design, along with the cylindrical bag, makes it convenient to carry. For those who lack exercise, office workers, or anyone with a stiff body from maintaining the same posture for extended periods, you can immediately self-massage anytime, anywhere. Perform the massage while exhaling, aiming for a sensation that is not painful, but rather a pleasant "good hurt."