Features: 1. Comfortable, fully adjustable design fits all sizes. 2. Made of high-quality elastic nylon and ABS buckle, strong and durable. 3. Be hands-free, capture the footage without holding the camera in your hands 4. Easily removable, simply loosen the thumb screws to adjust the angle or swivel up or down 90 Degrees to quickly view or edit your footage. 5. Perfect for skiing, cycling, canoe and more other sports activities use. Specification: Colour: Black Material: Nylon,ABS Suitable for Device Size: 4-7 inches Package Included: 1x Chest Mount Strap 1x J hook 1x Adapter 1x Screw 1x Phone Holder .