Coca-Cola Classic Aluminum Test Bottle (Full) Aluminum Coca-Cola bottles were developed for a test market in the US Classic bottle is 7.25" tall with a full 8.5 oz and a twist cap. Prototypes made to test the durability of aluminum Mint collector's aluminum Coke bottle unopened full with cap With over 16 years online you can trust 2CollectCola for top Coke products and fast shipping