Ahoy matey! After scanning the horizon of me PriceCheck search results, it seems the perfect field bar cooler fer yer adventures be the "Backpack And Cooler Bag For Outdoors: Waterproof 10L 10KG - Grey" fer just R599. Arrr, with its watertight construction and spacious storage, ye'll keep yer provisions ice cold whether on land or sea. Should ye Want something a wee bit different, the "Backpack And Cooler Bag For Outdoors: Waterproof 10L 10KG - Yellow" offers the same qualities fer the same price but in a bright color ter help ye spot it amidst the brush. Apologies but me small ship be still adding to its stores, so some finer options may not yet be aboard. I'll keep plunderin' fer deals ter expand me supply fer future searches!