【Custom Fit Design】 The silicone lens cover is crafted specifically for the Insta360 X3 invisible dive housing Case to ensure a perfect fit and optimal protection. Please note that this lens cap can only be used with the Insta360 X3 fully stealth underwater case. Do not use it directly with the X3 camera or regular waterproof case. 【High Quality Material】 Made of high quality silicone, this lens cap feels comfortable in your hand, has excellent elasticity and stays in place for a long time. It provides excellent impact resistance and anti-scratch protection, ensuring your camera lens is protected from damage. 【Enhanced Functionality】 The silicone lens protective case is designed to complement the invisible waterproof housing of your sports camera, effectively protecting it from dust, dirt and scratches, while providing cushioning in the event of a drop, ensuring that your camera's lens is always fully protected. 【Multi-functional Use】 This lens protector enhances your outdoor adventure experience by preventing accidental bumps and scratches on your camera lens. Perfect for hiking, diving, outdoor activities and more. 【Easy Installation】 The lightweight design makes the X3 Stealth Dive Housing Silicone Lens Cap easy to install and remove quickly and hassle-free, making it easy to use and carry with you at all times. For Insta360 X3 Invisible Dive Case Lens Guard Silicone Protective Cover.