This Foldable Sourdough Fermentation Box comes with adjustable temperature control, designed specifically as a professional Dough Proofing Box. It features a waterproof exterior and high-quality PEVA lining to maintain the perfect environment for your baking needs.

As a leading professional bag manufacturer, we operate a factory covering over 4,000 square meters with a dedicated team of more than 100 employees. We specialize in the production of backpacks, cooler bags, delivery bags, and custom outdoor solutions. Our mission is to provide excellent quality products and top-in-class service.

• 📦 Inner Packing: Moisture-proof PE bag (0.03mm) per unit.
• 📦 Outer Packing: 5-layer 200g/m² kraft paper corrugated cartons.
• 🕒 Lead Time: 30-40 days or negotiable.