Product Details Fangrui Product Details This Windproof Sponge Foam Is Compatible With Hero 5 Session/ Hero 4 Session. Reduces Wind Noise For Enhanced Audio Recording During High-speed Activities Or In Windy Environments. The Flexible Foam Material Of The Windscreen Wraps Around The Camera For A Secure Fit And Stretches On And Off For Easy Removal. For High-speed Activities Or Windy Environments. To Keep The Lens Of Your Camera Dust And Fingerprint Free. Size: 5 X 5 X 2 Cm Due To The Slim Fit Of The Foam Windscreen, The Lcd Or Battery Extension Cannot Be Used. Color: Black Material: Sponge Package Including: 1 * Windproof Sponge Foam Cover For Hero 5 4 Session Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection 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.