Features: The bite area is made of soft food-grade silicone, environmentally friendly, non-toxic, and tasteless. Its dental bracket is very soft, providing maximum comfort and super durability. Breathable openings on both sides allow you to breathe freely during active pursuits. It's super lightweight and won't affect your performance. Hands-free design lets you record amazing first-person perspective footage and easily transfer the camera from a handheld shooting style! Comes with a bright orange float if it falls out of your mouth, which can be used for extra safety during use. Widely used for surfing, climbing, snorkeling, swimming, kayaking, skating, canoeing, boating, roller coasters, paddleboarding, and more, allowing you to identify it quickly. Compatible with Hero 10 9 8 7 6 5 4 3+ 3 2 1 action cameras. Specification: Main Material: ABS+Silicone Length: Approx. 9 cm/3.54 inches Suitability: for surfing, skating, kayaking, stand-up paddleboarding, roller coasters, and other water projects Applicable Models: for Hero 10 9 8 7 6 5 4 3+ 3 2 1 action cameras Package includes: 1x Mouth Mount 1x Long Screw