Tired of not having enough room for your favorite grinders, papers, and bud? Meet the Cali Crusher Smell-Proof Roll Top Backpack! This stylish, innovative backpack is perfect for the legal cannabis smoker who wants to stay incognito. Now you can finally replace that bulky old duffel bag with this sleek, discreet backpack. And with its advanced smell-proof technology, no one on the bus is going to know what you're up to! So don't worry about showing up smelling like pot - leave that worry to your flowery buds!