Features: OOTDTY The mouth of the bite is made of quality soft silicone. food, green, ecological, non-toxic and tasteless, its straps are very soft, providing maximum comfort and super durability. Breathable opening on both sides, you can freely by active actions, super light and will not affect your performance. Hands-free design, allows you to record point-of-view images and transfer camera handheld style easily Delivered; with floating bright orange color for CASE, it falls from your mouth, which can be used for more security during use. Widely used; for surfing, climbing, snorkeling, swimming, kayaking, skating, canoeing, boating, roller coaster, paddle boarding and more, allowing you to quickly identify. For HERO 10 9 8 7 6 5 4 3 + 3 2 1 action cameras. Specifications: Main Material: ABS+Silicone Length : approx. 9 for cm/3.54 inch Fitness: for Surfing, Skating, Kayaking, Standup 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 Include: 1x Mouth Mount 1x Long Screw Note: Mouth Mount only, other accessories demo in the picture is not included Please accept an error of 0 to; 1cm due to manual measurement. Please make sure you do not mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item .