The mouthpiece is made of soft Food-Grade silicone, green & environmentally friendly, non poisonous and tasteless.Suitable for surfing, skating, kayaking, standup paddleboarding, and other water projects.Compatible for GoPro Hero1, Hero2, Hero3, Hero3+ and Hero4 cameras. Also Compatible with SJ Camearas.Mouth-held, hands-free GoPro mount.Easy to capture stable shots even for rapid movement.Safety strap and floating sponge included, gives extra protection to your camera in water.Specifications:Material: ABS Plastic, silicone and nylonSuitability: For surfing, skating, kayaking, standup paddleboarding and other water projectsCompatibility: For GoPro Hero 4/3+/3/2/1 and SJ CamPackage List:1 x Mouth bite mount1 x Neck lanyard1 x Floaty + 3M sticker1 x Knob screw (Camera and housing are not included)