... sizes and colors 3.moq:2000 pcs silicone finger ring :1. 100% high grade food silicone, non-toxic ... power up, improve blood circulation, southe tension, enhance the power of concentration, very helpfull for students, reseacher, businessman and ... adult. Any other size can be customized based on the actual samplesColorVariety of colors available, as customer requirementLogoembossed , debossed or ...