Stainless steel liquor containers are best suited for carrying strong, high-proof liquors like whiskey, bourbon, rum, gin, brandy, or vodka. These spirits are less likely to spoil quickly and don’t react much with stainless steel, making them ideal for short-term storage. Fizzy drinks, wine, or acidic cocktails should be avoided, as they can damage the alcohol container or affect the flavor. For the best taste, it’s recommended to finish the contents within a few days and store your liquor container in a cool, dry place.