When you’re doing sports or engaging in outdoor activities, you may find that your glasses or sunglasses slip with the slightest knock. And this is exactly what these Glasses Ear Hooks are made for! These Glasses Ear Hooks are made of durable soft elastic silicone material and are suitable for adults and children to use. They are easy to use, simply mount them onto your glasses legs and you’re ready to go. Your glasses will never slip again!