About This 100% Leak-Proof: Design with 4 snap-lock clips and a silicone gasket that creates an airtight, watertight seal. Ideal for transporting soups, sauces, baby food and meal-prep portions without spills Made from thick 4.5mm borosilicate glass that withstands freezer, microwave, oven transitions (glass only). Resists cracking, handles thermal shock, and offers long-lasting for everyday meal prep use Glass bases are oven-safe up to 400°F and microwave-safe when lids are removed, heating food evenly without stains or odors. Ideal for reheating lunches, small meals and safely replacing plastic containers Smart space-saving design: containers stack securely in the fridge, and nest neatly inside each other when empty. Square and rectangular shapes maximize storage efficiency in cabinets and lunch bags Includes 1000ml, 800ml, 650ml, 370ml and 320ml containers to cover full meals, work lunches, leftovers, sauces and baby food. Airtight seals keep contents fresh for days, ideal for meal prep routines Overview Brand : Moss & Stone Color : Clear Glass Material : Borosilicate Glass, Polypropylene, Silicone Material Feature : BPA-Free, Leakproof, Airtight, Freezer Safe, Microwave Safe, Oven Safe (Without Lid), Reusable Capacity : 1000 Milliliters