Canned Cocktails That Prove Booze Is Better In A Can. Canned and bottled cocktails are transforming the category’s reputation—and emphasizing craft as much as convenience. But times are changing, A new wave of RTD cocktail products is emerging and that’s revolutionizing this category—and helping it shed its reputation for low-quality concoctions.  The RTD cocktail is, after all, the perfect quick solution—just chill, open, and pour.