Massagers Features: -Color: silver, golden -Material: stainless steel -Interior diameter: 1cm -Outer diameter: 2.8 cm - One size fits most people. -Based on traditional Chinese medicine and acupuncture techniques. -Ideal for giving you energy to improve your concentration. Package includes: 10 * Random Color Medicine Acupressure Massage Rings features: Usage - The massage rings are designed based on traditional Chinese medicine and acupuncture techniques, help relieve pain and promote blood circulation after working with your hands for a long time, leaving you feeling relaxed and especially for the whites Collars that have to work before work. Billed, the artists who play the guitar, harmonium, tabla ect, should be the must-have in your daily life and work. Easy to use - just circle the massage rings on your 10 fingers and do the up and down movement and the feeling of pain will be reduced Material - Made of stainless steel, the tehrapy rings give stimulation to your fingers and skins and promote blood flow to the fingers, great for providing energy to improve your concentration The massage rings can be adjusted and a size fits most people. Note: We send according to the color of the first picture and the quantity of the title. If the title is not written, follow the content in the description. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin