Klean Logik Gritty, dirty wiper blades can obstruct windshield visibility and create unsafe driving conditions. Clean, Sharpe, and revive wiper blades in one easy step with this new technology. Instantly renew your wiper blades to help eliminate streaking, squeaking, and vibrating blades. Micro-crystals and other remarkable ingredients will clean, sharpen, and renew the wiper blades' edges, allowing them to produce a clean, smooth swipe across your windshield. Directions: Apply creme formula to a clean cloth and wipe across the edge of your wiper blades. The micro-crystals in these advanced formulations will clean, sharpen, and renew the blades' edges, allowing them to produce a clean, smooth swiper across your windshield. Contains: 1x Tube of Wiper Renew, 1x Cloth