About this itemMaterial quality: This is ring size adjuster set is made of TPU silicone which is highly elastic, soft and waterproof. The material is friendly to your skin and comfortable to wear, good elasticity and anti-slip effect, no pain and no irritation to your fingers. The bottom width of the ring: 1.5mm/3mm/4mm/5mm or above. You never have to worry about scratching your ring. The ring guards for loose rings that are too soft to be noticed.Invisible Design: The transparent ring adjusters are completely see-through and leave no doubt about visibility, it will prevent the ring from slipping off from your finger, and stay well on the inner side of your ring and no one will notice the ring adjuster, the invisible design will not affect the beauty and integrity of you ring.Perfect solution: These ring adjusters are convenient to use and keep your rings safe, the ring tightener for loose rings is quick solution to having rings resized and not slip off by accident, it is a great choice for your wedding and engagement rings. You can firmly fix the ring on your finger without worrying about losing your precious ring caused by weight loss and other reasons. 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.