Ring size measuring instrument: equipped with 2 intimate ring size measurement tools, clear scale, can easily and accurately measure the finger size. One -in -one ring size regulator set: to achieve perfect . Comfortable and : Our silicone tightrs and EVA foam stickers are designed to seamlessly fit the back of the ring to provide a safe and unpopular fit, and there be no obvious volume. A variety of sizes and styles: 8 spiral silicone fasteners, that can meet your needs. 16 X TPU card ring regulator is suitable for the width of 1 mm to 10 mm. EVA foam stickers of different colors to choose from. Easily realize : no longer worry about loosening the ring! The ring size regulator is a convenient and cost -effective solution that can improve the fit and comfort of jewelry. As long as you need to the safety and fit of jewelry, it can also be easily removed or replaced.