Material quality: Food grade PU material. The bottom width of the ring: 1.2mm/2mm/3mm/4mm or above. Never have to worry about scratching your ring. They 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. It 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, 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. Technical Details