By being only 40mm in length by 29mm in width this eye glass will sit almost un-noticeably on your key-ring. Made with an alloy body to protect its glass lens this item is built to last. By cleverly concealing the magnifying glass within a small key-ring accessory means you will never be to not see what you’re signing for or what the small print really says. Perfect for when you are on the go, have forgotten your reading glasses or just need that extra bit of assistance in seeing the small things that matter. Specification: 5x Magnification Lens Strong Glass Magnifier Cleverly Conceal on Key Ring > Key Ring Included Product Size: L40mm x W29mm x D5mm