The floaty for gopro hero4 session is ideal and a must have if you are going to be treading water for footage the floaty will save your session 4 from sinking down into the abyss if you do drop it and it is out of your hands do not worry the float is bright orange one of the most un natural colours for the eyes to see so spotting it in the sea is no issue this easy to spot flotation wraps around your hero4 session to keep it afloat its specially designed to protect your camera while als