These is no anything worse than sunglasses falling into the water, sinking into the sea or lake. Floating sunglasses are made of TPX nylon material, which is light in weight and small in specific gravity. They can float completely on the surface of the water and are suitable for fishing and various water sports Products Features: High density&light material Lightweight at 0.5 ounces TPX frame with density of 0.93g/cm3 High Sctrach Resistant Flexible Durable and Floatable Mirco-Filter Polarized lenses
In the Process,accidentally dropped glasses into the water,glasses will not sink,because the product is light in material,the face is greatly reduced after the glasses are wore ane the pressure makes it easier to wear. The glasses use advanced polarisite lenses to protect against ultraviolet rays and filter glare to make vision clearer and reduce visual fatigue. It floats in the water,you won't lose it during fishing,boating,kayaking,water skilling and all sorts of water exercises alike.