SAFE AND EFFECTIVE - Eyeglasses and Sunglasses lenses have coatings that can be hard to clean and easy to scratch. Our solution and cloth have been LAB TESTED BY COLTS LABORATORIES a trusted industry leader in the optical industry who provides accurate and reliable, independent testing in accordance with national and internationally recognized optical industry standards. We have received COLT LABORATORIES PERFORMANCE CERTIFICATION for both our cleaning solution and our microfiber cloth's superior cleaning strength and gentleness on your lenses. We are the only Lens cleaning solution and microfiber cloth to have been awarded this seal on Amazon. We outperformed 99% of our competition in all categories. We have the SAFEST and BEST Lens cleaner on the market. NO STREAKING - Most eyeglass cleaners leave streaks on your lenses. Peeper Keepers Lens Cleaner is GUARANTEED to be STREAK-FREE. USE ON ALL LENSES - Eyeglasses, Sunglasses, Camera Lenses, Smartphone Cameras - if it's a lens, trust Peeper Keepers to clean it! SOFTEST MICROFIBER CLOTH - GUARANTEED - Our microfiber cloth was compared in a lab to other leading cloths - Peeper Keepers cloth is the THICKEST & SOFTEST. As an added bonus, we are throwing in the #1 Best selling Eyeglasses Lens Repair Kit Snap-It. The fastest Easiest way to repair a lost or damaged screw.