Anti-Static Moisture Barrier 3.6 bags are made from high performance barrier materials, specially designed for “dry packaging” of moisture-sensitive electronic components. The bags are waterproof, vaporproof, and greaseproof. These bags offer superior ESD and EMI shielding and are recommended for EIA Std. 583, Class 1 requirements. These bags meet the electrical and physical requirements of EIA std. 541 and MIL-PRF-81705D, Type 1, Class 1.