Norwex EnviroCloth with BacLock and Window Cloth with BacLock. EnviroCloth - Use dry to produce an electrostatic charge with the cloth that attracts and holds everything. use damp or wet to lift the smallest most stubborn, dirt, grease and debris into the cloth. Use Window Cloth - Use dry or lightly mist surface with water to polish shiny services. Use damp or wet to lift the smallest most stubborn, dirt, grease and debris into the cloth. Microfiber cloths used with only water to clean all surfaces! Your windows and surfaces will sparkle! New with packaging EnviroCloth Color: Teal Blue with Teal Trim Window Cloth Color: White with Teal blue, Navy Blue and Mint Green Enviro Cloth Size: 35 cm x 35 cm Window Cloth Size: 45 cm x 45 cm