High quality: The is Made of elasticity transparent TPU material, it is comfortable, durable, soft and invisible, 't worry the ring scratch your skin. 4 Size: 2mm, 3mm, 4mm, 5mm wideth, 10cm length, Each size comes in 1 pcs with 4 psc , 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 : The ring adjuster are 10 cm/ 4 inches in length, you can cut freely according to your ring size. Great solution for with knuckle problem, and fits rings. Great solution : Innovative, -based design provides a long-lasting, fit for rings,wrap easily around the back of any ring band. It Works for All Rings with a 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 the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.