Check the listing for details. Cookies Smell Proof Backpack Black Zip Closure. Color: Black, Condition: New with tags. Listed at 55.00 USD. Brand new 100% Authentic Smell Proof backpack. It is a very comfortable backpack, but can also keep anything that smells inside the bag. This can help keep unwanted animals out when camping, stinky gym clothes, or even product that you are trying to sell or keep to yourself 😉. This is a $120 retail. Price is for 1 bag, but I have 2. A black and a slate blue/gray. The Off The Grid backpack from Cookies comes in a black colorway with sublimated Cookies script and metal logo on the front. It's made from durable canvas and special smell proof technology. It comes equipped with a large zip-closure pocket which includes a laptop sleeve and additional zip-closure pocket, while the front packs on another zip-closure pocket, lending you plenty of organization and storage.