eManco Multicolor Rhinestones Alloy Big Rings for Women The ring's perimeter is 50MM.It is a elastic rope ring,the size can be adjusted. The ring's weight is 0.03 KG.The ring's round accessories length and width is 4.5CM*4.5CM. The ring looks like a flower on a round disk. It was made of alloy ,it studded some rhinestones and glass rhinestones. It is a good gift.It is very good when it matched with clothes.