Keep your meals fresh and secure with this 800ml square glass container. Made from high-purity borosilicate glass, it withstands rapid temperature changes, allowing you to go from freezer to oven without the risk of cracking. Customer reviews consistently praise the durability and non-porous nature of this glass, which means it will never stain or absorb odors from foods like tomato sauce or curry. The four-sided locking lid features a silicone seal that creates a truly airtight and leakproof barrier. This is the feature users love most, giving them confidence to pack soups, stews, and sauces in their lunch bag without worrying about messy spills. Its versatile design is perfect for meal prepping, storing leftovers, or organizing your pantry. Being 100% BPA-free, it is a healthy choice for your family. The crystal-clear glass makes it easy to see the contents at a glance. When it is time to clean up, the container and lid are both dishwasher safe for ultimate convenience.