PROMOTION SALE!!YUYIKES Backdoor and Floaty sponge for GoPro Hero 3+ Compatible with: GoPro HERO 3+ Remove your original door and attach this Floaty Backdoor to your camera. Holds on strong in surf and waves. Floaty Backdoor keeps your camera safe and afloat while in the ocean surfing, kayaking down rapids, swimming in pools and lakes, anywhere you need floatation for your camera.