The high quality glass food container, designed to stack and nest neatly for compact storage. They’re safe for use in the oven, microwave, air fryer, dishwasher and freezer. Each container is leak-proof and airtight to keep your food fresh for longer. Features Stackable for easy storage. Dishwasher, oven, air fryer, freezer and microwave-safe. Compatible with stainless steel Meal Prep Boxes. Leak proof + airtight vacuum-sealed lid lock keeps food fresher for longer. High quality, durable borosilicate glass built to endure oven heat and daily wear. Easy-clean due to its fully removable seals. BPA-Free. Resistant to thermal shock up to 200°C. Specifications Materials: Borosilicate Glass, Polypropylene, Silicone Large: 1.2L - 20.5cm × 15.8cm × 8.5cm - 736g Maximum Temperature: 250°C Minimum Temperature: -20°C