Package Included: you receive a bottle of UV glue, a mini UV light and a silicone clip; This set of tools can shrink the ring to any size. Easy to Use: first, drip slowly from the mouth of the glue bottle onto the inner of the ring, and rotate the ring slowly to even distribution inside the ring for enhancing wearing comfort; Then, secure ring with silicone clip; Finally, expose the glue with UV lamp for about 1-3 minutes. Adjustable Thickness: by controlling the thickness of the glue, make the ring smaller to any size you want; You can enjoy a tailored fit for every ring in your collection, promoting both comfort and confidence. Safe for Skin: UV glue is made of resin, which is safe for the skin, odorless, waterproof; The glue sticks to the inner wall of the ring, which is very firm and ; You can be worn at any time even when bathing or swimming. Easy to Removal: when you need to remove the ring adjuster, it's just as easy; Gently pry it open with a plastic tool, and it come off smoothly without leaving residue or causing damage to your precious rings. Notes:Please keep the products out of reach of little . Colour:As Shown Material:Plastic Size: Bottle of UV glue:about 1.2 x 4.13 inches/3 x 10.5 cm, 30g Mini UV light:about 3.82 x 1.34 inches/9.7 x 3.4 cm Silicone clip:about 0.94 x 1.34 inches/2.4 x 3.4 cm Package Contents: 1bottle * UV glue 1 * Mini UV light 1 * USB cable 1 * Silicone clip 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.