DescriptionEvery day, desk-bound professionals and commuters are working all day,building up tightness in the back that reduces blood circulation to thebrain and makes us less productive as the day goes on. Take some relax,let this massage hammer rapidly boosts local circulation and unblocksyour energy flow, reducing fatigue.Features- Color: Blue -Material:PP, TPE - Size: 31.00X6.00X1.00cm/12.18X2.36X0.39in-High-class materials and fine workmanship, durable and can be used for a long time. -Portable massage stick for convenient use. More suitable for releasing pressure. -Suitable for full body, such as hips, legs, neck, waist, back, etc.Knock the back massage shoot is convenient and easy to carry. -Not just suitable for old people, instead, it is applicable to all range of ages. -Designed with rounded edges and corners, will not hurt your skin. Using ergonomic principles to hammer and vibrate massage