Expanded Size - 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 perfect fit, and 27 oz is max holding weight. Adjustable - Adjustable with rotating degree 360. Rotate the screws to make sure it can fit your pipe size.This bike cup holder can be installed on bike handlebar, under seat, down tube, fork, front pipe.Clamp MAX Range: 4.3cm /1.7inch No Tools Needed - The clamp of the bottle cage is designed for easy to install and remove. Mounts in seconds , no tools required. It can be mounter vertically as well as horizontally. We have attached extra anti-slip pad to make the clamp more stable. Material - High quality of plastic steel and metal parts, very durable. Designed for keeping different cups, cans , and bottles. Wide Application - 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 strollers, pushchairs,walkers, scooters.