Product description:ADJUSTABLE DESIGN - Adjustable design to hold your drinks (cups, cans, bottles, etc.) max. 4 inch in diameter; Folds to protrude only 1 inch when closed, save your space.
HIGH QUALITY MATERIAL - The folding cup holder made from resist transformation, abrasion and strikes plastic material. The plastic construction is totally waterproof and easy to clean.
WIDE COMPATIBILTY - The cup holder mounts on any flat vertical surface; You can install it onto the wall next to the couch, on the side of your bed or anywhere in your home, car, or sports center, providing more convenience in your daily life, commuting or travelling.
VERY EASY TO INSTALL - The adjustable folding drink holder comes with stainless screws for mounting, easy to install and use.
CONVENIENT DESIGN - It can save you the trouble of finding the location of the water cup on the boat or on the car.