Pac-it Fresh 27 Ounce Food Storage Box Clear All Purpose Re-useable Air-tight DURABLE - Tested for over 400,000 lid openings and closings! SILICONE SEAL - The Hollow Silicone Seal has super flexability, giving you an AIRTIGHT seal! AIR TIGHT - The Silicone Seal helps keep food from oxidation, herbs fresh, liquids from spilling and items away from humidity SAVE SPACE - Convient slopped bottom makes stacking a snap! BPA FREE! - Microwave Safe - Dishwasher Safe - Great for Freezer Storage - Thick durable plastic!