Updated Second Generation SV2 Stamped PGA TOUR Golf Ball Ring. High Grade Silicone Golf Ball Ring, 100% hypo-allergenic, made from premium medical grade SV2 silicone material for improved wear. Lightweight sport ring for everyday wear whether on the golf course or in the office Flexible silicone that will form to your finger for the most comfortable fit A unique piece of golf jewelry that represents the game you love! Designed to be SAFE! You'll have peace of mind in every active you participate in Silicone Golf Ball Rings. Official licensed product of the PGA TOUR, and 2 United States Patents Pending. Made from high grade silicone, these rings are stylish, functional and safe. Sizing are true to standard jewelry ring sizes. Size up for 1/2 sizes (i.e. size 9.5 should order size 10).