Ohio Fitness Garage OFG Gen II 3 Black 5mm Silicone Rubber Wedding Band Hypoallergenic Safety Band Ideal for Gym Military LOOKS LIKE A TRADITIONAL WEDDING BAND because the OFG Gen II ring has no mold lines. Molded to just 2mm thickness to achieve the appearance of a standard metal wedding ring BREAK-AWAY DESIGN while non-conductive silicone protects against electric shock. The OFG Wedding Ring is ideal for auto mechanics and electricians. 3 Black MEDICAL-GRADE SILICONE is hypoallergenic and friendly to the most sensitive skin. Our ring is inert so it wont react to chemicals or acids. COMFORTABLE WIDTHS 5mm. Available in whole sizes 5-10, our ring fits securely over the biggest knuckles without hindering the ability to grasp the tools of your trade. COMFORTABLE AND DURABLE to withstand strenuous workouts, weightlifting, rock climbing and swimming without digging into finger webbing. Wear it as a substitute ring, or make it your full-time band.