Energy-packed. Never fried. Vinegar, spice and everything nice make our buffalo flavored protein crisps even better. With 10 g of protein, that's finger lickin' fuel for your day. By Popcorners. BFY: Better for your brands. PopCorners set out on a mission to make snacking better. Different. Purposeful. We know you work hard and you want snacks that do too. So we created PopCorners Flex Protein Crisps. These flavor-packed, air-popped crisps combine soybean and cassava, fueling you with 10 grams of protein to give you the extra energy you need to seize the day.