This is the Chums Neoprene Patterns - Fish Eyewear Sunglasses Holder Retainer Features: Industry standard for neoprene retainers Quick drying and durable Comfortable, lightweight and easily adjustable Light flotation, floats frames up to 15 g Latex free Length: 16 Weight without packaging: 0.2 oz Neoprene Chums are a favorite of river rats, beach bums and anyone that spends time on the water. These Chums will fit most glasses and will float up to 15g. Keep your eyewear on lockdown with the Neoprene Chums. "