Premium Borosilicate Glass: Durable and heat-resistant glass containers, ideal for meal prep, storage, and reheating. Safe for oven (up to 450°F), microwave, and dishwasher. 8-Piece Set: Includes (1) 1-cup, (1) 2-cup, (1) 4-cup, (1) 6.5-cup containers with matching BPA-free lids for secure, airtight storage. Space-Saving Design: Nesting containers for efficient pantry and kitchen storage, saving up to 50% more space. BPA-Free Airtight Lids: Keeps food fresh longer with leakproof, snap-tight BPA-free lids. Easy to clean—top-rack dishwasher safe (not oven safe). Versatile and Convenient: Perfect for leftovers, meal prep, lunches, and pantry organization. Ideal for storing soups, salads, fruits, and more. Freezer-safe for added convenience.