Features: Brand new and high quality Special protective mirror for lens, fit the lens design, no fears of scratching. All-round for protection to prevent scratches, super hydrophobic coating. Before use, please clean the periphery of the lens and its surfaces to ensure that the adsorption surfaces is clean and dry. The service life of the double-sided tape is only one-time. After pasting, please do not remove it and pasted it repeatedly to avoid affecting the stickiness. For underwater shooting, please use a dedicated diving-shell or related accessories. Specifications: Material:Optical toughened glass Application: For Insta360 X3 Package Includes: 1 Set Lens Protector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.