Material: The bread making proofing box is made of aluminum film and soft materials. Features 9 levels of precise temperature control. Portable: The foldable bread proofer can be folded and stored when not in use, saving space. Designed with a handle for easy portability. Heating Pad: The heating pad ensures safe operation with heat protection and does not affect the taste of food during proofing. Fabric: The fermenting warming mat includes 3 layers of thickened, food-grade aluminum foil, thickened pearl cotton, and non-woven fabric for enhanced thermal insulation. Widely Used: This multifunctional proofing box is suitable for fermenting various foods such as bread, yogurt, chocolate, cheese, cultured butter, kombucha, and tempeh, offering convenience in daily food preparation. Size: 30cm x 30cm x 20cm (11.81 inch x 11.81 inch x 7.87 inch) Package Includes: 1 Bread Making Proofing Box (US Adapter), 1 Heating Pad