Feature: 8 pieces in 8 different sizes, one can always meet your needs. Reduce ring 0.5-1 size, compatible with ring width from 1-10mm. compatible with both Men and Women’s rings, even compatible with Big Knuckles’. Insert-based design provides the ring size adjuster mould to the curves of ring band and the buckle can keep the adjuster stay well on the rings. It’s also a solution for fingers with knuckle problems, never worry about scratching rings or retain moisture. Made of Silicone, which much softer than PVC, is abrasion and oil resistant and has good elasticity. Make your ring sit snug to the fingers without pinching your skin. The transparent material does not detract from the beauty of the rings, you even can’t feel its existence. Additional Polishing Sticks: Double-sides polishing sticks Green side is for scratch removing and white side is for extra fine polishing. Great for polishing Gold, Silver, Copper, Jewelry, Watch, Nail and etc. Notice: Overuse may wear rings. Material: Silicone Color: Clear SIZE CHART: XXS:2 MM, compatible with Ring Width 1-1.5mm XS: 3MM, compatible with Ring Width 1.5-2.5mm S: 4MM, compatible with Ring Width 2.5-3.5mm M: 5 MM, compatible with Ring Width 3.5-4mm L: 6MM, compatible with Ring Width 4-5mm XL: 7MM, compatible with Ring Width 5-7mm XXL:8 MM, compatible with Ring Width 7-8mm XXXL:9.5MM, compatible with Ring Width 8-10mm Quantity: 8Pcs Package includes: 8Pcs x Ring Size Adjusters. 1 Pc XXS:2 MM 1 Pc XS: 3MM 1 Pc S: 4MM 1 Pc M: 5 MM 1 Pc L: 6MM 1 Pc XL: 7MM 1 Pc XXL:8 MM 1 Pc XXXL:9.5MM