[ PATENTED ] - The metalless and screwless reading glasses are a patented design from Eyekepper. They have a unique frame feature, which means there is no metal in the entire set and no screws in the spring hinges. | | [ DURABLE ] - Screwless spring hinges make the readers durable. No need to worry about the temples falling off or screws falling out. The arms open and close so clean, easy and less breakble. | | [ COMFORTABLE ] - When you wear these cheaters, the hinges provide soft elasticity from start to finish. It is just the right elasticity, can give you a comfortable experience. | | [ METALLESS SCREWLESS ] Metalless magnifying glasses won't rust. They're recyclable plastic, so they don't need extra processing to remove metal parts prior to the recycling process. | | [ OVERSIZED ] - 6 pack oversize reading glasses for men and women. Suitable for wide faces or extra wide faces. | |