About This 3-Cup Glass containers：While the world is moving away from plastic, Freshmage offers an awesome alternative to the plastic jar. These glass containers with lids can effectively avoid passive ingestion of trace amounts of plastic particles in daily diet. Sourdough Starter Jar：The round container is equipped with sealing rings and adjustable air valves. By adjusting the valve, various states such as complete sealing, slight breathability, and double breathability can be flexibly achieved, fully meeting the needs of different usage scenarios. Durable Material: This product is made of high-quality borosilicate glass material, with stable chemical properties and a temperature resistance range of -4 degrees Fahrenheit to 752 degrees Fahrenheit. It can easily adapt to low temperature environments such as freezers and fridge, as well as high temperature environments such as microwave ovens, ovens, and dishwashers. Versatile Storage: These canning jars with lids are perfect for storing soups, stews, leftovers, and more in the refrigerator or freezer. Perfect size and wide mouth for storing, feeding and stirring sourdough starter. Microwave and Oven Safe: These glass jars with lids are safe for reheating or cooking in the microwave and oven. Dishwasher safe, refrigerator and freezer are safe too. Overview Brand : Freshmage Color : Turquoise Material : Glass Material Feature : BPA Free, Dishwasher Safe, Food Grade, Freezer Safe, Microwave Safe Capacity : 3 cups
