1 Materials: The cup drink holder is made of stainless steel with polished surface. There is a molded silicone on the inside to reduce noise and prevent the container from sliding. 2Convenient to Use: The cover and the cup resting surface can be easily opened, and the arms can keep your cups in place and steady as well as stay put, prevent from water spilling out. 3Adjustable Retainer Arms: The cup holder arm can adjust to adapt various cans, cups, cozies and mugs with dia from 55mm/2.2in to 75mm/2.9in, and the jaws fold down would hold giant fountain soda. 4Easy to Install: The heavy duty adjustable folding drink holder is supplied with stainless steel mounting screws required for installation, providing a fast and convenient mounting process. 5Foldable Design: The premium adjustable folding cup drink holder can be folded to approximate 4.7in x 4.4in x 0.86in size, compact enough to out of the way, easy foldup for your convenience.