This is the Scubapro Go Pro Mask Mount Mask Mount for Scuba Diving Snorkeling Features: Universal fit for most double lens mask brands. Secure mounting so you can enjoy the dive without worrying about losing your GoPro. Low volume, lightweight and easy to attach to the mask. Enjoy your dive without worrying about losing your GoPro with this new mask mount. Specially designed for the world&';s most popular sports camera, it fits virtually every double lens mask on the market, is low volume, lightweight and attaches easily to the mask.