An eternity band is the classic symbol of lasting love but it can also be a hassle getting it on and off. Spryngs introduces a unique technology that eliminates the hassle by having your ring expand up to one and a half sizes. No longer do you have to worry about sizing, adding a diamond or remaking a mounting. Spryngs are flexible, comfortable, expandable, luxurious, and are backed by a lifetime warranty. Available in round and half round. From one half to four carats.