Enso Rings Women's & Men's Ultralite Silicone Ring, The Premium Fashion Forward Silicone Ring, Hypoallergenic Medical Grade Silicone, Lifetime Quality Guarantee Commit to what you love. The ring adapts to your life, career and hobbies. Never remove your ring again Gives you flexibility. This ring goes with you to work, the gym and all your adventures Unmatched Comfort. The lightest ring we make, hypoallergenic and flexible Peace of mind. Anti ring avulsion technology keeps your finger and ring safe in case of an accident Lifetime Guaruantee: If you are dissatisfied at all with your product, we will make it right. Sizing exchanges can be handled through Amazon Fulfillment