Cozy Bread® Proofing Mat & Thermal Insulation Box Bundle (10" x 21") | The Best Bread Proofer | Proof Dough, Grow Sourdgough Starter, Ferment YogurtBrand: Cozy Bread Color: Black Features: Complete Proofing Solution: This bundle includes both the Cozy Bread Proofing Mat and the Cozy Bread Thermal Insulation Box , providing everything you need for efficient and effective dough proofing in any environment. Optimal Temperature Control: Achieve consistent and controlled proofing temperatures with the combined use of the Proofing Mat and Insulation Box, ensuring ideal conditions for dough fermentation