Kinetic GoGreen Glassworks 6 Piece Square Oven Safe Glass Food Storage Container Set has locking lids. Each container is 15oz (450 ml/ 0.48 qt/ 1.90 cups) with 3 Glass Containers and 3 Plastic Lids. These Kinetic food storage containers are environmentally friendly, spill proof, shatter resistant, freezer and refrigerator safe. They are also microwave and oven safe without the plastic lid and dishwasher safe with top shelf recommended for the lid. The Patented locking 4 tab lid with silicon seal helps food stay fresh up to three times longer. This product is BPA Free and Fda Approved. Bake or reheat food and take the container directly to the table. This simple and elegant design keeps kitchen leftovers organized neatly and with a minimum of fuss. Color: Clear.