Store your favorite foods and ingredients with GlassLock airtight storage containers. GlassLock storage containers feature a unique airtight seal that slows food from rotting, prevents drips from spilling and stops odors from escaping. Store soups, salads, poultry, fruits, and aromatic ingredients for no-fuss freshness. GlassLock containers were designed for everyday use, and are made of heavy-duty tempered glass that is lightweight yet strong and durable. The design is perfect for stacking and storing; and can even be used to serve food as well!