These 4 mil Magazine Bags are made of Archival Polyester (Mylar ) an inert material of the highest clarity. Mylar will not discolor, damage, or adhere to items placed inside it. It is a sturdy film that beautifully displays, timelessly protects and gives extra support to fragile documents. - Made of Archival Polyester (Mylar )
- Fits standard Magazines
- 4 mil material thickness
- 1 1/2 inch flap for closure
- Crystal clear
- Protects for 100's of years
- Strength is 10 times that of polyethylene
- Use with BCW Magazine Backing Boards

Dimensions
- Size 9 x 11 1/2