Keepons Superior Black Prevent Eyeglass Slipping Anti Slip Anti Slide Eyewear Sunglasses Spectacle Glasses Temple Tip Sports Ear Hook Sleeve Retainer SIZE INFO (see product description below): Price is for 1 Pair For adults or kid's glasses, hearing aid compatible, prevent slipping glasses for sports or daily activities Comfortable, near weightless, allergy-free elastomer, easy to put on and remove, barely noticeable, durable, soft, washable, doesn't absorb odors like cloth retainers Geniune Keepons (world's biggest silicone eyeglass retainer maker), don't buy fakes that cause rash or rip easily Amazon FBA product, all refund/return decisions at Amazon's (not Sellers) discretion; other retainer styles see photos