Keep Your Rings Safe: Prevents loose engagement rings, wedding rings and other rings from falling or slipping.You can hold your precious jewelry in place and look great Permanent jeweler sizes are expensive and may change the look of some rings; especially if your ring is surrounded by gems.Our adjusters adjust the size of your men's or women's ring so that it fits comfortably, unobtrusively and without changing its appearance. EASY TO USE: Just flex and hold for 3 to 5 seconds before use so the memory material can hold and fit your fingers - reusable if necessary. It fits snugly between your ring and fingers. It's skin-safe, comfortable on your fingers, fits at the base of your fingers, and glides comfortably on your knuckles. Non-toxic, skin-safe material will not irritate sensitive skin.