Fresher food begins with FreshProtect II - helps keep food fresher. Glad Bags with FreshProtect II Plastic provide excellent protection for: Fruits and vegetables; Refrigerated meats and cheese; Cereal, cookies, crackers and baked goods; And are great for organizing household items. Glad Bags with FreshProtect II Plastic help keep food fresher! FreshProtect II is specially designed to maintain a balanced level of carbon dioxide and oxygen for high-respiring produce, to help keep produce such as broccoli, cauliflower, asparagus and corn fresher longer. FreshProtect II Plastic! Glad Zipper Storage bags still provide excellent protection for all your other food storage needs. Seals Securely! Yellow and blue make green seal, so you know it's sealed tight. Strong and Sturdy! Durable plastic safeguards your food for almost all occasions.