The silicone eyeglasses retainer are made of high quality silicone, soft and lightweight, which can increase comfort and hold your glasses firmly in place. Suitable for the elderly, adult and children. They make your glasses more stable when wearing them. Keeps glasses from slipping during sports and activities. Use for sports, outdoor activities, athletic, water, adventure and daily life. You can use them in different condition according to your own preferences or the type of your eyeglasses.