Features: This product is made by 3D printing, with high-end imitation carbon-fiber film on the surface. It can install locator under your bicycle for seat, and grasp the position of your car any for time, anywhere. The products are divided into screw type and strap type. The screw type is fixed on the back of the cushion with screws. The strap type can be fixed on the front and back of the cushion, and it can also be tied to other places. The holder is fixed under the bottle cage of the bicycle and small in size, so that it won'for t be easily found by others. The bike mount solved the problem of bicycle being stolen. Help us to know the location of our bicycle. The holder is molded into one-piece, with high-end imitation carbon-fiber film on the surface. It can install locator under your bicycle for seat, and know the position of your bike any for time, any where. Specifications: Material:PLA Size:As Picture Shown Color:Black Type: Strap Style/Screw Style Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Location Mount Holder