House Foods Tofu Extra Firm. Cook up happiness™. Delicious grilled and in stir-fries! Pasteurized with double cooling system™ for premium quality. How firm is Extra Firm 5. Certified Gluten-free. Perishable. No preservatives. Net Wt. 16 oz (1 lb) 453 g. Made with U.S. soybeans. Non GMO Project verified. nongmoproject.org. Call: 1-877-333-7077. www.house-foods.com.