Description: 【Material】: Bread making proofing box is made of aluminum film and soft material. The 3 layer thickened design can retain heat for a long time and is sturdy. 【Portable】: starter warmer with handle, easy to move and take, convenient to carry. 【With Heating Mat】: Warming mat, no odor, will not affect the taste of food during proofing. 【Hot and Cold Insulation】: ball proofing containers can keep warm for 4-6 hours and cold for 12-15 hours. 【Widely Used】: Multifunctional pizza proofing bin can be used for various foods such as bread, yogurt, chocolate, pizza, etc., bringing great convenience to your life. Size Chart: 20L: 30cmx30cmx20cm/11.81inchx11.81inchx7.87inch 30L: 30cmx30cmx30cm/11.81inchx11.81inchx11.81inch 35L: 40cmx40cmx20cm/15.75inchx15.75inchx7.87inch 50L: 40cmx40cmx30cm/15.75inchx15.75inchx11.81inch Package Includes: 1 Bread Making Proofing Box (Pls Note:This product requires you to prepare a power converter) (Pls Note:This product requires you to prepare a power converter)