Red Star Active Dry Yeast Provides The Rising Power For Breads And Buns Made The Traditional Way Or The Bread Machine Way. Dissolve The Yeast In Warm Water For The Traditional Method, Or Blend It Into The Dry Ingredients For The Mixer Method. If Your Recipe Calls For One 1/4 Oz. Yeast Packet, You Can Substitute About One 2 1/4 Tsp. Measure Of This Active Dry Yeast. There Are 4 Oz. Of Yeast In The Jar. This product ships in approximately 1 days