Description: Made of good quality material, good finish and solid, lightweight and durable. For bicycles without the water bottle brace-on. Allows you to attach water bottle cages to bicycle frame. Can rotate 360 degrees and quick release design.easy to use. Suitable for mountain bike, road bike, folding bike and children bike. Specification: Material: Plastic,Nylon Size: (L x H)Approx. 80 x 57.5mm / 3.1 x 2.3inch Package Includes: 1 Piece Water Bottle Cage Adapter Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!