★【Amber-tone Color】: Crafted of amber-tone borosilicate glass, containers tolerate rapid temperature changes, never warping or cracking. Glass containers won’t absorb stains or smells, making it the perfect choice for acidic foods. Glossy surface also maintains the tastiness of food for long periods of time.★【Locking Lids & Leak Proof】: Our locking lids create an airtight seal for food freshness. Newly innovated hinged lids technology enables the lid to flip open and shut quickly and last longer than those crafted of one piece, and they are easy to clean.★【Safe and Friendly】: As opposed to plastic, glass is friendly to the environment and free of chemicals. Hot foods can be transferred directly to the containers, as no chemicals will leech into the food. Lids are crafted of BPA-free plastic, making them a safe choice. Our containers are stackable and nesting, perfect for your kitchen.★【Meal Prep or Store Leftovers 】: Featuring multiple shapes and sizes, the glass bowls with lids can be used for food storage and transport, meal prep, restaurant and deli takeaway, portion control, picnics and camping.★【Microwave、Oven and Freezer Safe 】 : Warming, freezing or cooking your food in the oven is a breeze with this thermo-resistant set of glass food containers! Built to withstand temperatures up to 400℃, durable and easy to use!