1.LEAK-PROOF & AIRTIGHT LIDS: Use as travel containers, lunch containers, or soup containers, and do not have to worry about leaks or spills. The container lids are airtight locking lids that provide leakproof storage. These premium restaurant-quality food containers stack neatly and are made to withstand everyday wear and tear 2.PREMIUM QUALITY BPA-FREE DELI CONTAINERS: Designed for years of use these food storage containers are made from food- polypropylene that is BPA-Free. They are made to withstand hot and cold temperatures for extended periods of time. That means you'll get the great quality you need that is perfect for a variety of uses. WARNING: Remove the lid when used in the microwave. 3.MICROWAVE, FREEZER & DISHWASHER SAFE: Food containers with lids are microwave, zer, and (top rack) dishwasher . Excellent for catering, take-out, meal prep, saving leftovers, food storage, zing soups or stock. Plus, these convenient containers have so more many uses including organizing small items around the home.