Bloomerang Zinc Alloy Magnetic Clip On Eyeglass Holder Spectacle Glasses Clip for Holding Specification material zinc alloycolor as the picture shows features - perfect gift for mom dad grandparents and anyone who often loses glasses. - using the power of magnets place the back plate behind an article of clothing and the front piece on the outside of your clothing and your glasses will always be there right when you need them. - the magnets will automatically attach and self-center without poking holes. Package included 1 x magnetic eyeglass holder