& FOOD-SAFE MATERIALS FOR PEACE OF MIND: Experience safe baking with our beginner sourdough bread baking supplies; The 34OZ large sourdough starter jar is made of glass with a clear scale, while the silicone tools like the spatula and scrapers are crafted from food-grade silicone; This sourdough starter jar kit focuses on safety and quality, ensuring a and enjoyable sourdough bread making kit experience from start to finish.
