Docktail Fully Adjustable Boat Bar Table - Includes Rod Holder Mount and 5 Bottle/Cup Holder Inserts to Change Caddy Top Configuration - Makes a Fun Boating Gift Accessory Portable Boat Bar, Bottle and Cup Holder. Holds most bottles and cups from 1.75 liters and smaller. Turn key package includes bar, 5 interchangeable bottle sizing inserts, Magma rod holder mount, stainless steel hardware. Made of King Starboard, UV stabilized, fastened with stainless steel hardware, folds flt for storage. Inserts include - (1) cutting board, (1) 2 Liter, (2) 1 Liter and (1) .75 Liter. Customize your bar the way you want. Mounts in most standard sized rod holders and allows you to level flat at most any angle. If you dont have a rod holder on your boat other mounting types are available. Please ask for recommendations.