Heres how to keep the worlds best optics at their best. Our Storage/Cleaning Bags for Small Eyewear are made of a soft, lens-friendly microfiber material. Cleaning with ordinary cloth can lead to microscopic scratches that add up over time and compromise your vision. Not so with our MICROCLEAR technology. Use these bags for eyewear storage and lens cleaning, and keep your razor-sharp optics on the cutting edge.