1. Package Content You will receive 4 pairs of clear side protectors for glasses for daily wear and replacement. Please note that our side shields for prescription glasses are marked with 'L' and 'R', so you need to distinguish them. 2. Soft and Safe Material The universal side protectors for glasses are made of flexible soft PC and provide comfortable protection for glasses. 3. Easy Installation These side protectors for glasses simply snap onto the temples of your glasses and require no additional parts or tools, making them convenient for protection on the go. 4. Good Protection These side protectors for goggles can effectively shield your eyes from wind and particles. They are suitable for laboratory staff, nurses, construction workers, lumberjacks, and most outdoor workers and athletes, minimizing damage from wind and debris. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!