Brand new, unused! I opened it for the photos, and there was some black staining on the eyeglass frame, as you can see in the images. Water-retaining moisturizing & pollen/droplet protection glasses These glasses are a high-performance model that not only protects against pollen and droplets but also features a special water-retaining function. The [Main Features] of this product: 1. Special water-retaining moisturizing function (for dry eye relief) • By setting a "water-retaining sheet" soaked in water in the "water reservoir" inside the frame, it moisturizes the eyes. • Highly recommended for **dry eye** relief. 2. Enhanced anti-fog performance • The humidity adjustment effect of the water makes it difficult to fog up even when wearing a mask. • Furthermore, an anti-fog cloth is also included, providing double the fog prevention. 3. Thorough eye protection function • The side shields firmly guard against the entry of pollen, PM2.5, yellow sand, droplets, and dust. Basic Performance • UV cut function: Cuts over 99% of UV rays, providing complete protection against UV rays for the eyes. • Lightweight design: A lightweight model that is comfortable to wear for long periods. • Design: Stylish clear pink frame, easy to use for everyday wear. Set Contents • Protective glasses (clear pink frame) • Water-retaining sheets (1 sheet with 10 sheets) • Syringe water bottle (dedicated bottle for filling the water-retaining sheets with water) • OLD SCHOOLMATE anti-fog cloth • Non-slip ear hooks (earpiece parts) • Dedicated transparent case, black drawstring bag