The SCS 81735 81705 Series Metal-In Static Shielding Bag is on the qualified product listing under the defense standardization program and qualified to MIL-PRF-81705E Type III, Class 2. It’s manufactured from four layers (static dissipative coating, polyester, metal and polyethylene laminate. The polyester layer of the SCS 81735 81705 Series Metal-In Static Shielding Bag in concert with the metal layer provides discharge shielding. The exterior layer of this static shielding bag is static dissipative and allows electrostatic charges to be removed when grounded. This product is made in the USA.