One -in -one ring size regulator set: to achieve perfect . A of sizes and styles: 8 invisible 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. Ring size measuring instrument: equipped with 2 intimate ring size measurement tools, clear scale, can easily and accurately measure the finger size. Comfortable and invisible: 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 will be no obvious volume. Easily realize perfect fit: 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. Material: tpu colour: transparent Package Contents: 16 x TPU clip-on ring adjusters 8 x invisible spiral silicone tighteners 5 x EVA adhesive ring adjusters (1 pcs grey+1 pcs black+1 pcs yellow+2 pcs white) 2 x polishing cloths 2 x ring size gauges (black + white) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.