Keepons Prevent Eyeglass Slipping Eyewear Retainer (All Clear, 3 Pairs) SIZE INFO (see product description below) For adults or kid's glasses, hearing aid compatible, prevent slipping glasses for sports or daily activities Comfortable, near weightless, allergy-free silicone, easy to put on and remove, barely noticeable, durable, soft, washable, doesn't absorb odors like cloth retainers Genuine 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 qty/price combos see photos