Material quality: PU material. The bottom width of the ring: 1.5mm/3mm/4mm/5mm or above. Never have to worry about scratching your ring. The ring guards for women loose rings are too soft to be noticed.Perfect solution: The innovative design based on spiral loading provides durable adhesion for most rings. Easily around the back of any ring belt. The ring spacer is suitable for rings within 7mm (0.3in) (not suitable for rings more than 7mm or 0.3in).Size: 10cm/4 inch for each. Each item can be divided into 7-10 pieces. Rotating loading,The ring guards no adhesives, chemicals or fasteners.Easy to clean: Easily wipe off the dirt and oil. Prevent water conservation and accumulation of pollutants. More comfortable than other size controller.Easy to use: Has the advantages of wear resistance, oil resistance, transparency and elasticity. It is easy to use, and it will not fall off whenever the ring is dropped. Product Description Eiito invisible ring size adjuster set, the best product you are looking for! Eiito ring sizer is the best invisible ring sizer. The TPU material is comfortable to wear and no harm to skin. Women's and men's rings They will not slip when used and perfect your ring. Adjustable & Comfortable, easy to apply,The ring fits snug and comfortably and you can't feel the adjuster. DIFFERENT SIZES MEET DIFFERENT NEEDS S-1.5 mm Fit 0.5-3mm width ring M-3 mm Fit 3-4 mm width ring L-4 mm Fit 4-5 mm width ring XL-5 mm Fit 5-8 mm width ring M-3 mm Flat Fit 3-5 mm width ring XL-5 mm Flat Fit 5-10 mm width ring Package includes: ●1x 1.5 mm round ring adjuster ●1x 3.0mm round ring adjuster ●1x 4.0mm round ring adjuster ●1x 5.0mm round ring adjuster ●1x 3.0mm Flat ring guards ●1x 5.0mm Flat ring guards ●1x Sliver polishing cloth ●1x ring guards User manuals