【Suitable for All Eyewear】Stick-on bifocals allow you to turn any style of eyeglasses, sunglasses, or safety glasses into reading glasses. Do not need to carry around two pairs of glasses, just apply our bifocals directly to your eyeglasses of choice, and enjoy. 【Non-Adhesive/Water Technology】 Our bifocal lenses are designed for optimal adhesion. No adhesives and water is needed, trimmed to fit your mask or goggles with sharp scissors, and can be removed and reused on different masks or goggles if needed. 【High-Quality Material】Mature environmental protection TPU material which is high tension, high tensile strength, toughness, and aging resistance. Soft and flexible enough to attach to any eyewear. 【High Definition Vision】Optical grade clarity lenses leave you with the clearest, sharpest, and brightest eyesight possible. Even small print is easier to read and it will allow you to focus up close on objects. 【Use It Anytime Anywhere】Our lenses stay put in all conditions, even under water. The transparent lens can be hidden on your own glasses without being detected. Take it whether you are swimming, scuba, skiing, cycling, reading, repairing, etc. Allow us to create a more convenient life and work for you.