Material: Bread making proofing box is made of aluminum film and soft materials. 9 levels of precise temperature control.Portable: Foldable bread proofer can be folded and stored when not in use. It does not take up space. It has a handle and is easy to carry.Heating Pad: Heating pad will not affect the taste of food during proofing, heat protection to ensure safe use.Fabric:Fermenting Warming Mat, 3 layers of thickened, food grade aluminum foil, thickened pearl cotton, non woven fabric, better thermal insulation effect.Widely Used: Multifunction proofing box can be used for various foods such as bread, yogurt, chocolate, cheese, cultured butter, kombucha, tempeh etc., bringing great convenience to your life. Size Chart: 30cmx30cmx20cm/11.81inchx11.81inchx7.87inch Package Includes: 1 Bread Making Proofing Box(US Adapter)1 Heating Pad