The Ultimate Sourdough Proofing & Sourdough Starter Jar Set by Cozy Bread® | Proofing Mat (10" x 21") | Insulation Box | Sourdough Starter Jar KitBrand: Cozy Bread Color: silver Features: Enhanced Bread Quality: Achieve professional grade bread with consistent crumbs and flavor, thanks to the precise temperature control offered by the Cozy Bread Warming Mat and Insulation Box. Easy to Use and Store: Designed for both beginners and seasoned bakers, this bundle simplifies the proofing process, ensuring successful results every time with minimal effort plus it rolls up and stores in the drawstring