Please Note Fermentation Vessel (Container/Jar) is NOT INCLUDED. You will need to provide your own suitable container for fermentation. Precise Thermostat Control for Consistent Sourdough Maintains an adjustable temperature range (70-100 F) optimized for sourdough starter activation, maintenance, and dough proofing. This warming mat creates stable conditions to support fermentation. Safe & Reliable Heating Technology Constructed with Kitchen-Safe, BPA-free materials and a low-wattage heating element. Built-in overheat protection and auto shut-off enhance safety during use. Simplify Sourdough Starter Care Place your container on the mat and plug in. The energy-efficient design maintains consistent warmth, streamlining your sourdough routine. Compact & Versatile Dough Proofer Space-saving design fits countertops. Use for sourdough starters, proofing bread/pizza dough, or gentle chocolate tempering.