Efficient Insulation Design: Made from high-quality aluminum foil laminated Oxford cloth, this fermenter features a seamless crimping process and insulation cover for excellent heat retention. Enjoy rapid and consistent internal heat distribution, supporting a stable fermentation process. Spacious Interior Capacity: The enlarged design allows simultaneous use of a 10-inch round proofing basket and a large oval proofing basket. Proof multiple breads and doughs at once, thanks to the generous interior space. Consistent Heating Performance: Includes a heating blanket with three layers of heat conduction for uniform and precise heating. The aluminum foil construction helps maintain stable temperatures, ideal for fermenting yogurt, bread, and other foods. User-Friendly Operation: Features a thermostat with a temperature range of 0–45°C and 9-speed adjustments for customized control. A clear display and timer function (1–4 hours) enhance ease of use. Versatile Applications: This electric heating box is suitable for making bread, yogurt, pizza, natto, soft cheese, and more. It can also be used for food warming, fermentation, and short-term food insulation. A practical kitchen tool for home cooking. Item Name: Dough Proofing Box Material: Nonwoven/Aluminum Foil Capacity: 20L/30L/35L/50L Features: Efficient Temperature Control, Superior Heating Performance, Versatile Usage Size Details: 20L: 30cm x 30cm x 20cm / 11.81" x 11.81" x 7.87" (Approx.) 30L: 30cm x 30cm x 30cm / 11.81" x 11.81" x 11.81" (Approx.) 35L: 40cm x 40cm x 20cm / 15.75" x 15.75" x 7.87" (Approx.) 50L: 40cm x 40cm x 30cm / 15.75" x 15.75" x 11.81" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: EU 220V 20A, EU 220V 30A, EU 220V 35A, EU 220V 50A: 1 x Dough Proofing Box (3 Level Adjustment) EU 220V 20B, EU 220V 30B, EU 220V 35B, EU 220V 50B: 1 x Dough Proofing Box (9 Level Adjustment)