Package content: you will get 16 packs pf ring size adjusters in 8 different sizes, one of which can meet your needs, suitable for loose rings to prevent the ring from sliding off your finger And it's also suitable for both men and womens rings and even for large knuckles Comfortable material: the invisible ring size adjusters are made of soft silicone which are reusable and durable And it is anti-sensitive and completely safe for your health and causes no irritation whatsoever, so you can to put them on simply and barely feel it Invisible design: each one is designed with transparent material, which does not detract the beauty from the rings, you cant even feel its existed And it will not get loose on your ring or stretch out and always keep its initial form Wide application: not only does the invisible ring size adjuster prevent your ring from becoming loose or missing, but also allows you to wear an oversize ring In addition, you can use it to combine several thin rings Whatever you do, your ring fits better and there is no chance to lose your jewelry Usful device: if you worry that you can't put on your engagement ring before you get married, or you sometimes want to wear a few rings to decorate your finger, but you can't fix them Believe this ring size adjuster, it is specifically designed to secure your rings