The Docktail Butler with 1 1/4" suare pontoon rail mount is the ultimate multifunctional family style snack and beverage caddy. Perfect for those who are looking for convenient ways to serve hors d'oeuvres, lunch or dinner, have a place to prep for grilling, and much more. There are 2 one liter bottle / cup holder slots for tumblers, 12oz cans or bottles, and red party cups; a flat serving / cutting board area for food prep, plates, chips and dips; side enclosed compartments for sunscreen and phones, and condiments and spices; accessory holes to hang hand towels, bottle openers, and trash bags; as well as bottle slots for soda, juice, and even small serving bowls and 2 paring knife storage areas. The large 1.75 liter bottle slot is compatible with each of the Docktail Bar inserts should you wish to add one to your Docktail Butler for further customization. With the Docktail Butler, you are only limited in function by your imagination! Not including mounts, the Butler measures 23-3/16 inches Long by 18- 7/16 inches Wide by 4 inches High. Makes an excellent gift for all boaters!