5PCS Yonger Sun Glasses Eyeglass Cleaning Tissues Microfiber Spectacles Cleaner Brush Cleaning Tool Material:microfiber;Size:7.5x2cm/3x0.78inch A hole at the joining end of the two arms can be used to attach a key ring, chain etc Easy to use and can be carried wherever you go No harm to your eye glasses( glasses not included) 5Pcs Glasses Eyeglass Cleaning Tissues Microfiber Spectacles Cleaner Brush Cleaning Tool