Made of high quality acrylic, lightweight and compact design that adds a minimal load to your Para for GoPro. Waterproof, anti-oil, anti-dust and anti-collision, avoid your for GoPro maximum lens from scratches and bumps High light transmittance, does not affect the shooting effect No tools required, easy to install Specifications: Compatible with: for GoPro Max sport camera Colour:Black Material:Acrylic Size:3.5cm in diameter Package Contents: 1* Dust cover Note: A pair of protective covers only, for GoPro Max in the pictures is not included Only the above package content, other products are not included. Note: Light shooting 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.