Glass Storage Container Set, with Lids, Rectangular, Clear/Sand, Set of 3From oven baked lasagna to weekday meal prep, the Kook Glass Storage Container Set is designed to cook, bake, serve, store, and reheat with ease. Each container is made with a durable borosilicate glass base and a tempered glass lid with an airtight silicone seal to help lock in freshness. Built in steam release vents make microwave reheating safer and cleaner, while the stackable design keeps your fridge, freezer, and cabinets organized.