Features: Bite mouth is made of soft food-grade silicone, green environmentally friendly, non poisonous and tasteless, its braces are very soft, providing maximum comfort and super durability. Breathable opening on both sides, you can breathe freely through active actions, super light and will not affect your performance. Hands free design, allows you to record stunning point of view images and easily transfer the camera handheld shooting style! Comes with a bright orange color floaty in for case it falls out of your mouth which can be used for additional security during use. Widely uesd for surfing, climbing, snorkeling, swimming, kayaking, skating, canoeing, boating, roller coasters, paddle boarding & 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 Suitability: 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 Includes: 1x Mouth Mount 1x Long Screw note: Mouth mount bite kit only, other accessories demo in the picture is not included! Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.