The CS-20, C6 Compact Lens Cleaner from Carson Optical, contains our Dry Nano-Particle Cleaning Formula that wipes away smudges, grime and fingerprints with ease. The Soft Tip is safe and easy to use on all lenses. The C6 Compact Lens Cleaner includes a retractable brush to remove dust and debris. It also includes a built-in ring on cap which allows easy attachment to Keychains, Carabineers, and other Clips. The C6 Compact Lens Cleaner is perfect for cleaning Binoculars, Cameras, and Camcorders. At Carson, we strive to make sure our customers are 100 Percent satisfied with the quality of our products. We are so confident in our products that we back them with a One Year Limited Warranty! This Carson product is warranted to be free from defects in material and workmanship for a period of one year from date of purchase. Please contact Carson for additional warranty details.