Attwood Dual Ring Fold-Up Drink Holder - Black The Attwood Dual Ring Fold-Up Drink Holder features a fold-up design and has two rings that can easily be switched to suit the size of your beverage. Flip the small ring up to hold small drinks, and for large drinks, flip the small ring down and use the large ring. This holder can hold coffee mugs with a handle, 12-ounce cans, or drink insulators. When not in use, you can flip the rings down and close the cover for easy storage. Attwood Dual Ring Fo