1. This quick release bottle cage is made with advanced plastic steel, fits for most standard-sized water bottles. 2.5'' - 3.3'' bottle in diameter is the perfect fit, and 27 oz is max holding weight. --2. Adjustable with rotating degree 360. Rotate the screws to make sure it can fit your pipe size. --3. The clamp of the bottle cage is designed for easy to install and remove, no tool needed. Mounts in Seconds No Tools Required, can be mounted vertically as well as horizontally. --4. High quality of plastic steel and metal parts, very durable. Designed for keeping cups, cans, and bottles. --5. A well-designed, inexpensive cup holder. You can place it virtually anywhere on your bike: handlebars, highway bars, engine guards, or other locations and it also fits most baby stroller, pushchair, bicycle, and walker. --Specifications: --Type: Bike water bottle holder --Material: PVC steel and metal --Colour: Black --Size: 7.6 x 15 x 15cm/2.99 x 5.90 x 5.90 inch --Suitable for Bottle Diameter: 7-10cm / 2.75-3.94inch