KAUAI - Silicone Wedding Rings -Leading Brand, from The Latest Artist Design Innovations to Leading-Edge Comfort: Pro-Athletic Ring Elegance Collection for Women ELEGANT: Celebrate Your Marriage with Beautiful Rings that You Don't Have to Remove to Enjoy Life LIFETIME WARRANTY: Replace Any Ring for Any Reason with Our Simple No Questions Asked Lifetime Replacement Policy. TOP RATED 5 OUT OF 5 STARS***** SAFE SILICONE: Each Unisex Band is Crafted from Hypoallergenic, Heat Resistant, 100% Medical Grade Silicone COMFORT FIT: Premium Silicone Features a Soft, Smooth Comfy Fit for Every Proposal, Anniversary and Outdoor Activity DURABLE: Thick Build Handles up to 400 Degrees and Tough Weather Keeping its Original Shape and Size. <span class="a-text-bold">Size 8</span>=18.2mm diameter <span class="a-text-bold">Size 9</span>=18.9mmdiameter <span class="a-text-bold">Size 10</span>=19.8mmdiameter <span class="a-text-bold">Size 11</span>=20.6 mmdiameter <span class="a-text-bold">Size 12</span>=21.3 mmdiameter The Proprietary Blend Of Silicone Used Will Withstand The Toughest Weather Conditions Without Cracking Or Drying Out. Stretches 10 Times Itself While Maintaining It&#039;s Original Shape And Size. Designed To Break Away At 43 Lbs Of Pressure for Safety. Heat Resistance Up To 400 Degrees Without Melting, Or Distorting It&#039;s Shape. Perfect For Weight Lifting, Extreme Sports, Hiking,Military &amp; OtherHazardous Occupations Soft, Smooth &amp;Pliable With No Hard Edges. So Comfortable that you will forget you&#039;re wearing it. Simple &amp; Elegant Alternative To The Traditional Wedding Ring