Durable plastic and metal construction. Choose from available sizes. 52mm lens width. 2 integrated bottle opener on the arms. Your choice of available color options. Make the most of your eyewear with the multi-function design of Foster & Rye Bottle Opener Sunglasses. These sunglasses feature an integrated bottle opener on each ear-piece, so you can slip them off, pop the top, and slip your shades right back on again.