Environmentally friendly materials for extra strength and durability combined with light weight.This water bottle cage adjusts to fit a wide variety of bottles and hold them more tightly. MultifunctionCompatible perfectly with most baby stroller. Also, it is very suitable for mountain bike, bicycle, wheelchairs, motor cycle and car so on. UNIVERSAL - The stroller cup holder is suitable for all kinds of baby bottle,drinks bottles and coffee cup. It also can be used on most strollers, pushchair, car, bike, mountain bike. Flexible design: Flexible design can fit normal size and one plus size. It can adjust to fit almost all type of water bottles coffee cups nursing bottles,etc. Easy to useThe cup holder is easy to install,it is secure when fitted, Upgrade the adjustment nut holder for easy installation,requires no tools and assembly. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.