Inner Diameter: Approx. 2.3cm/ 0.91"
<br />UV protection lens cap
<br />Package Included: 1 x Lens Protector Cover For GoPro Hero3 3+ 4
<br />Fully protect your love camera lens from scratches
<br />Fit For GoPro Hero 3 3+ 4 Camera
<br />Direct installation and removal without using any adhesive, fast and convenient