Effective Retention: These wax coated bread bags are designed for storing homemade bread, offering good humidity control to keep your sourdough in proper condition Natural Freshness Extension: Crafted from good based wax and breathable cotton fabric, these fermentation bread bags work well for sourdough and homemade breads, helping preserve and taste to maintain your bread ' s for multiple Easy Usage & Maintenance: Place cooled bread inside and fold the top to seal For cleaning, turn the bag, rinse with cool water and mild soap, then air dry thoroughly for simple care Spacious Storage Capacity: Measuring 12.6X17 inches (32x43cm), these large bread storage bags comfortably fit big loaves including sourdough, round breads, and various homemade types Versatile Bread Preservation: Suitable for storing at room temperature (68 77°F) up to 3, in chilled storage (39 44°F) for approximately seven, or freezing (0.4°F) for up to 3 months always allow bread to cool completely before storing to avoid buildup