POP infuses whole mustard seeds with IPA beer, pickled jalapeño & lime. Fermented and barrel aged for maximum mustard flavor. Their POP Mustards ORIGINAL has a crunchy POP texture that brings excitement to your mouth. Their mustards also make your gut health happy. POP Mustards are prebiotic and protein packed. Each jar contains 19 grams of protein! World Mustard Competition Gold Medal winner. Contains GLUTEN.