These soft spiral ring sizers wrap easily around the back of any ring band—instantly transforming a loose fitting ring to just right! Designed in flexible plastic that’s safe for sensitive skin, each clear, discreet ring sizer insert slips easily over knuckles, keeping rings comfortably snug and secure. Unique spiral design won’t slip or pop off while wearing, yet they unwrap easily if you want to remove and reuse. Set of 4 plastic ring sizers. Each, 9/16" long.