Features: This harness allows you to mount your to your dogs back and watch the world from his point of view You will be amazed how the world is seen by the perspective of your dog. The harness features a padded construction which ensures that your dog remains comfortable. Easy to attach &,amp,remove cameras,quick release bases make attaching and removing the cameras quick and easy. Mounts work on all cameras,for Hero1,Hero2,Hero3,Hero3+,Hero 4. Fully adjustable to fit small,medium and large breed dogs. Specifications: Material: nylon,ABS Size: 16x16cm Color: blue,red Package included: 1x Dog Harness Strap Belt Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks