High quality: The ring size adjuster is Made of elasticity transparent TPU material, it is comfortable, durable, soft and invisible, don't worry the ring scratch your skin. 4 Size: 2mm, 3mm, 4mm, 5mm wideth, 10cm length, Each size comes in 1 pcs with total 4 psc together, Fit Almost Any Ring 4 Pack. Easy to Clean: ring sizer can be easily wiped off to remove dirt, oil, and dust, it will not become discolored over time. Easy to Use: The ring adjuster are 10 cm/ 4 inches in length, you can cut them freely according to your ring size. Great solution for fingers with knuckle problem, and fits most rings. Great solution : Innovative, spiral-based design provides a long-lasting, fit for most rings,wrap easily around the back of any ring band. It Works for All Rings with a Shank Width of 7mm. colour: transparent Material: silicone Package Contents: 4 x ring adjuster Only the above package content, other products are not included. Note: Light 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.