Features: 1. High quality material, safe and environmentally friendly, more durable. 2. Soft silicone nose clip, comfortable to wear, portable for easy reading and daily use. 3. Lightweight and portable: small size, easy to carry and use. Specifications: Material: silicone Style: no frame Color: red, black Degrees:100°, 150°, 200°, 250°,300° Package Included: 1X Glasses 1X case Notice: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.