Mylar plastic bag is a type of packaging made from a polyester film known as Mylar, which is a brand name for biaxially oriented polyethylene terephthalate (BoPET). Mylar bags are highly durable, lightweight, and resistant to moisture, gases, and odors, making them ideal for long-term storage. They are commonly used for packaging food products, pharmaceuticals, and other items that need protection from external elements.

Here are some key characteristics of Mylar bags:

• Barrier Properties: Mylar bags provide an excellent barrier against oxygen, light, moisture, and odors, which helps in preserving the freshness and extending the shelf life of the contents.

• Durability: The material is strong and tear-resistant, ensuring that the contents remain safe during handling and storage.

• Heat Sealable: Mylar bags can be sealed with heat, creating an airtight environment inside, which is crucial for long-term storage.

• Flexible and Lightweight: Despite being strong, Mylar bags are flexible and lightweight, making them easy to store and transport.

• Recyclable: Mylar is a recyclable material, making it a more environmentally friendly option compared to some other types of plastic packaging.

Mylar bags are commonly used in food storage, emergency preparedness, and the packaging of sensitive electronics and pharmaceuticals.