Freshlock plus™ food storage starts with pure pyrex glass containers, topped with airtight and leakproof locking lids. then we add microban antimicrobial product protection to protect the lid seal from bacteria that can lead to odor and discoloration. whether you’re taking it on the road or storing for later, your food stays fresh and delicious. 10-pc set includes: (2) 1-cup round glass containers with lids (1) 2-cup round glass container with lid (1) 4-cup round glass container with lid (1) 4-cup round glass container with lid # Pieces In Set: 10 Features: Freezer Safe, Microwave Safe, Transparent, Dishwasher Safe, Oven Safe Measurements: 16 Length/Inches, 6 Height/Inches, 9 Width/Inches Care: Dishwasher Safe Intended Location: Pantry Country of Origin: Made in US