1. Before use, make sure that the camera's lens is clean and dry. Always install the Lens Guard in a clean and dry environment. Any particles on the lens or Lens Guard may affect the results. 2. If you remove the Lens Guard from the camera, apply a new double-sided adhesive before re-installing the Lens Guard. 3. The Lens Guards are only splash-proof and are not designed for underwater . If used underwater, the Lens Guard's inner side may fog up and the double-sided adhesive may lose stickiness. Please also remove the Lens Guards before using the Dive Case. 4. not to scratch the camera lenses and screen as you remove the Lens Guards. Material: plastic colour: black + transparent Package Contents: 2 x Sticky Lens Guards Only the above package content, other products are not included. Note: Light 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.