The durability of Pyrex Storage allows stacking for efficient space utilization. There's no substitute for Pyrex, the original glass bakeware. Introduced 90 years ago and made of a durable, high temperature material, Pyrex remains the ideal medium for safe, dependable food preparation. Features: • Glass is preheated oven, microwave, fridge, freezer & dishwasher safe • Lid is BPA free and top-rack dishwasher safe Capacity: 6-Cups