The QALO(R) Women's Modern Silicone Ring is a non-conductive, non-porous silicone ring with a breathable fit. The classic comfort-fit design ensures the feel you need with the style you want. FEATURES: Comfort fit silicone Breathable fit Slides on and off easily Non-conductive Non-porous Dimensions: 6.5mm wide x 1.8mm thick Tensile Strength: 34.1 lbs. Elongation: 489 Style Number: QS9-FSE