It is made of plastic microfiber,Can absorb and remove dust, grease, fingerprints and dirt, safe for glasses. It can be carried wherever you go. You can at any time clean your glasses when you go out or not be convenient to carry the glasses box.A hole at the joining end of the two arms can be used to attach a key ring, chain and more, which is small and convenient. 3" L x 1" W.Welcome to your inquiry!
