What this cleaning cloth can offer you is that it is reusable and long lasting and can be washed by machine or hand, no more paper towel and tissue waste.This cleaning cloth which is microfibre technology can clean without chemical solutions and will not leave any scratches or marks on your beloved mobile phones touchscreen, laptop or computer monitors.It is made of microfiber, fresh and stylish. It contains 80% polyester fiber and 20% polyamide fiber 30% thicker than other similar fabrics, high quality (optical grade).There are two sizes to choose from: 13.3inches, 15/16inchesIt is suitable for dustproof and notebook cleaning and can be used for other precision optical products. One swipe can clean oil and dirt, can be used to clean glasses, laptops, tablets, smart phones, SLR cameras, binoculars and other precision optical systems. It is 100% safe on the surface and can be used to clean children's toys, cribs, stainless steel counters and others.Item Name: Keyboard ClothMaterial: MicrofiberSize Details: 13.3 inches Size: 29cm x 19.5cm/11.42" x 7.68" (Approx.)15/16 inches Size: 34cm x 22.5cm/13.39" x 8.86" (Approx.)Notes:The included gray cloth can be used to set the white balance of the camera.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Keyboard Cloth