DuMont Fliptop is part of our flip-top tobacco selection, available in Original, Smooth and Ultra Light. Choose your option above before adding to cart. You must be 19 or older to buy tobacco in Ontario. DuMont Fliptop FAQ What DuMont Fliptop options do you carry? Original, Smooth and Ultra Light. How much is DuMont Fliptop? $35 at The Purple Leaf, for any option. Do I need to be 19 to buy tobacco? Yes. You must be 19 or older to buy tobacco in Ontario.