CLIP & CLOSE glass food storage containers: For every situation\nFrom preparing and cooking to serving, freezing and reheating ... the EMSA CLIP & CLOSE glass food storage containers take on all tasks. The perfect solution for every situation. These useful glass fresh food containers now present themselves in an improved design with a special stacking edge and a reinforced rim - for non-slip stacking of boxes of the same size - and an even more robust glass construction. Everything else you know and like: from oven and microwave to refrigerator and freezer, these food storage boxes are both heat resistant (up to 420°C) and freezer safe. Plus, they're 100% dishwasher safe for effortless cleaning and 100% hygienic for perfect freshness preservation. And one more thing that hasn't changed: the German lid technology, which means all you have to do anymore is Clip.... and Close!.