ABOUT THIS ITEM * METALLESS & SCREWLESS SPRING HINGES reading glasses do not require screws, which supported by the authorized patent. Unique spring hinges without metal innerspring. * DURABLE SCREWLESS DESIGN allows the arms of the readers fold out and in. Therefore you don’t need to worry about the screws kept falling out, which are durable and less breakable. * THE COMFORTABLE HINGES provide just right elasticity when the temples open outwards to both sides, which makes the reading eyegalsses comfortable. *  METAL FREE SPRING HINGES made the whole cheaters glasses are easy to crush and recycle.