Complies with MIL-B81705 Type 1, Class 1 - Shielding pouch with moisture protection and defined water vapor permeability - Protects against electrostatic discharge and fields - Defined water vapor permeability achieved through a multilayer structure of conductive polyester film, aluminum vapor deposition, and conductive polyethylene film - Vacuum-sealable and heat-sealable - Standard printing: ESD warning symbol, moisture symbol, type designation, recycle symbol, lot number - Width x length: 254 x 610 mm - 1 pack of 100 bags