The Genicook 12.5 oz Glass Lid Container with Silicone Sleeve makes microwave cooking safer and more comfortable. The removable silicone base provides a secure, heat-resistant grip when lifting containers straight from the microwave. Made from premium borosilicate glass, it is microwave, oven, and dishwasher safe. The eco-friendly glass lid features a built-in silicone vent for safe steam release during reheating, and full-edge corner protection ensures a leak-proof seal every time. BPA-free and FDA food-safe.