Description: 1. Hand yoga is being used by many international professionals in various fields such as musicians, physical, doctors, and technicians for their healthy hands and finger. 2. Finger band is made of silicon with great elasticity and high-grade neoprene and the strap makes the product perfect for anyone. 3. You can train fingers individually or together with different tension forces applied. 4. This perfect design leads you to maximize motions of range in exercising. The adjustable wristband can be worn by anyone with a comfortable fit, regardless of wrist circumference. 5. Do not have to buy another item for your hand training. You can use it for your right and left-hand training both in a simple way at any place. Three tension options: 20lbs,40lbs,60lbs. Specification: Name: Finger Extensor Exerciser Material: Silicone, alloy, fabric Weight: About 110g Color: Green (20 pounds), blue (40 pounds), red (60 pounds) Package includes: 1pc*Finger Extensor Exerciser Finger band is made of silicon with great elasticity and high grade neoprene and strap make the product perfect for anyone. This perfect design leads you maximize motions of range in exercising. Adjustable wristband can be worn by anyone with comfortable fit, regardless of wrist circumference. Do not have to buy other item for your hand training. You can use it for your right and left hand training both with simple way at any place. Three tension options: 20lbs,40lbs,60lbs.