16 Rolling Balls - Does double work in a shorter time period. It relieves muscle soreness and swelling. 360-degree rotation of rolling balls - You can adjust the rolling balls as per your need. The specially designed concave and convex handle makes it very easy to hold it.Massage stimulates the calf muscle and hence reduces the soreness, numbness, pain, and swelling.Regular use helps in developing firm, slim and slender legs.You can use it while watching TV, reading and so on, it is very easy to use and you can use it as long as you are comfortable. Add essential oil and massage it, for better effects. Suits - Leg, Arms & waistMaterial: ABS plasticColor: Red, Green ( As shown in the picture)Product Size: approx. 26*14*5.3cm Package Size: approx. 30*16*6cm Package Weight: 200 gms approx. Quantity:1 pcNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow a slight dimension difference due to different manual measurements. P