The MB2 Roller® is a versatile tool featuring two connected massage balls, ideal for targeting tense necks and sore backs. Its adjustable design allows for close or separated use, providing a double massage effect. Perfect for enhancing posture and mobility in the upper back. Crafted from durable EVA foam, the MB2 Roller® maintains its shape even after extensive use. Lightweight at just over 100 grams, it's easy to carry in your sports bag or backpack, ensuring you can enjoy a massage anytime, anywhere. The patented layered EVA foam surface delivers optimal compression and pressure, promoting blood and oxygen flow to muscles. Whether targeting the spine or larger muscle groups, the MB2 Roller® offers a safe, effective self-massage experience.