ROQ Silicone Wedding Collection Middle Lines Style Ring with Carbide Ring by ROQ for Men – 4 x 7 mm Black with Grey, Black with Blue, Black with Bordeaux Line, Carbide Silver with Black Line

Designed For Optimal Air Ventilation – ROQ Air x52 Double-Sided Modular AirFlow System design allows airflow from outside circulating and push moisture out through the air tunnels; Optimally breathable silicone ring. ADJUSTS TO SWELLING: Adjusts to swelling due to pregnancy, diabetes, injury or arthritis. BUILT TO BREAK UNDER HIGH PRESSURE TO SAVE YOUR FINGER: Tensile strength measures 608 Psi average with a breaking point at an average of 19.65 lbs of force. Elongates 180% – 476% at break.