Total Faraday Cage protection and visibility for highly sensitive electronic components. Meets the electrical and physical requirements of MIL-PRF-18705D Type III. Guard against static charge from both inside and outside with three layers of anti-static protection. Rugged 3 mil zip top bag is 50% transparent for easy product identification. This bag is buried metal construction; a conductive aluminum shield layer is buried between 2 static dissipative polymeric plastic layers. Contains no amines, amides or N-Octanic acid and is polycarbonate safe. Static shielding notice is stamped in yellow on each bag.