Frontier Mustard Seed, Brown Mustard comes in 16 ounce bags. Mustard seed, one of the oldest of spices, adds warmth and heat to your dishes. It's spicy, peppery flavor goes well with other pungent spices like garlic and chilies. Gluten Free: Nut Free: Kosher: Vegan: Dairy Free: Pack Size: 1 LB