: 10 and 10 silver massage rings, 20 pcs in Features: Based on medicine and acupuncture techniques Application: Sujok ring can be used while you work on computer or after driving a car of use: is suitable for adults, teachers, students, therapists, and long-term computer users; especially for those who to reduce the of use pressure: is suitable for adults, teachers, students, therapists, long-term Used by computer users; especially for people who to relieve stress Easy to use: Put the massage ring on the finger and roll it up and down to generate pressure on the finger to achieve the purpose of finger massage; finger roller massager is elastic and suitable for sizes of Color: Gold+Silver Material: PVC Size: 2.5cm Package Contents: 20 x Massage Rings Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.