Photo 1 of Sourdough Heating Mat Dough Proofing Box Fahrenheit, 59°F - 140°F Adjustable Dough Rising Heating Mat, Heated Bread Mat for Sourdough,Bread Warmer Mat with Sourdough Starter Warmer

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Photo 1 of Sourdough Heating Mat Dough Proofing Box Fahrenheit, 59°F - 140°F Adjustable Dough Rising Heating Mat, Heated Bread Mat for Sourdough,Bread Warmer Mat with Sourdough Starter WarmerPhoto 2 of Sourdough Heating Mat Dough Proofing Box Fahrenheit, 59°F - 140°F Adjustable Dough Rising Heating Mat, Heated Bread Mat for Sourdough,Bread Warmer Mat with Sourdough Starter Warmer