Glasslock Tempered Glass Bowls are made in Korea from durable tempered glass, three times stronger than standard glass and completely BPA-free | Ideal for prepping, mixing, beating, and storing | Microwave-safe without the lid and suitable for fridge and freezer storage down to -20DegreeC | Easy to clean by hand or in the dishwasher | Silicone seal and four-tab locking clips make the bowl transportable, airtight, and leakproof, keeping food fresh longer | This 4000ml bowl is perfect for preparing, storing, and transporting meals, proving dough, reheating, and serving food