Feature: 1. Clean the window on both sides, evenly force the sliding to decontaminate, the magnetic is super strong. 2. Built-in water storage sponge, no need to repeat water. 3. 2 meters long safety anti-falling rope, when the rope is tied to the hand during use, safe fall protection. 4.Triangular shape design, comprehensive cleaning without leaving a dead end in place. 5. High-quality rubber wiper strip, imitation car wiper strip design, soft and wear-resistant. How to use? 1. Separate the two sides from each side (there is a anti-pinch spacer between two sides) 2. Dip the spong in the water with detergent. 3. Put the security rope on the wrist. 4. Open window and attach the half wiper (with safe rope) on outside window, attach the other half (with handle) inside window. 5. Move glass wiper inside, start to clean window both sides. Note: glass in different thickness should be used on different magnetic glass wipers, otherwise it can not move or fall off the glass. Please choose the appropriate version according to the thickness of glass. Package Included 1 x Magnetic Double Sided Glass Cleaner Wiper 2 x Sponge 2 x Cleaning strip 4 x Rubber 1 x Manual