Feature:1. High Transmittance: Upgraded double sided coating, good light transmission, similar to sunglasses, to avoid dissimilarity, difficult to distinguish is color blind glasses.2. Suitable for Various Face Shapes: Flexible and light elastic, not easy to pinch the face, open and close smoothly for a variety of face shapes to wear, not easy to fall off, easy and comfortable!3. Structure of Color Blind Glasses: This colorblind glasses with modern stylish design and ultra light and durable alloy frame, which is suitable for both men and women.4. Gift of Colour: Color blind glasses that make people see color can enjoy seeing rich vibrant colours that most people experience all of the time and take for granted. Give yourself or a loved one the life changing gift of colour.5. For Outdoor and Indoor Use: All of our glasses are designed specifically for bright environments, helping to solve problems such as solving driving trips and art hobbies.Specification:Item Type: Color blindness glassesMaterial: Resin, alloyFunction: Improve color blindness and color weakness people to correctly identify colorsSize:Nose Spacing: Approx. 18mm / 0.7inLens Width: Approx. 58mm / 2.3inGlasses Leg Length: Approx. 149mm / 5.9inFrame Height: Approx. 32mm / 1.3inTotal Width of Frame: Approx. 138mm / 5.4in.Package List:1 x Black Frame Glasses1 x Glasses Case1 x Glasses Cloth1 x Inspection ChartNote:1. Please tear off the protective film before use.2. When observing the lens from different angles, you will find that the reflection color of the lens is different, which is a normal phenomenon.3. Glasses box pattern, lens cloth color will be sent randomly.