Features: new and high quality purposely with a double-ended design to quick and effective to remove all irritants from your lens. Our lens cleaning pen has been tested on a lot of optics, It is safe for use on most high-end Lens and other optical lenses. Remove the coarse dirt and dust particles away with the brush first. Then the and keep the carbon side vertically stand on the lens, gently wipe around the lens from the center in the clockwise/anti-clockwise direction. The cleaning brush can bend to reach the narrow area, corners & edges of your device to remove the dust, oil and dirt on the lens and screen. The ultra-slim lens cleaning pen was more , exquisite, portable, and convenient to use. Save space in your backpack. When you put it in your pocket, you can hardly feel its existence. Specifications: Material:plastic Color:Black Size:. 15x2.1x2.1 for cm/5.9x0.82x0.82 inches Package Contents: 1x Lens Cleaning Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.