EASY TO INSTALL: The LittleLife Double Buggy Cup Holder is easy to install and to prepare without additional tools and assemblies, just clamp and go COMPATIBLE WITH MOST BUGGY FRAMES-HANDLES: The clamp is able to fit pushchair frames of between 20mm and 45mm in diameter; it will not fit frames wider than 45mm - Do Not Completely Uncrew the Clamp ADAPTABLE ANGLE: Will fit many handles and in a variety of positions or angles; rotate cup holder to required angle; the closure attachment is both sturdy and secure COMPATIBLE WITH MOST TRAVEL CUP SIZES UP TO 90mm MAX: The actual cup holders are of a universal size to fit a wide variety of bottles or cups up to 90mm in diameter WIDE APPLICATION: The pushchair double cup holder is suitable for all kinds of baby bottles, drinks bottles and coffee cups –for use when shopping or just out and about for a walk