Looking for the perfect tool to enhance your baking experience? This sourdough starter warmer is your ideal choice. With a precision thermostat accurate to 1°F, it maintains an optimal temperature range of 70–110°F, ensuring excellent fermentation results year - round. The 1–24H timer and auto - shutoff function allow you to ferment worry - free. It's not just a sourdough mat; it's also a bread proofing mat, warmer, and can be used for kombucha, pickles, or yogurt. Measuring 7.09 x 5.51 x 0.79 in. in size, it's compact and space - saving. Crafted from kitchen - safe materials and a low - watt heating film, it's energy - efficient and safe. It fits jars from 16oz. to 40oz., making it suitable for both beginners and experienced bakers. Whether you're at home on a lazy weekend or during a busy weekday, this warmer simplifies your baking process and brings deliciousness to your life.