Metallic Bubble Mailer: This product is two-tier structure: anti-static shielding film and a double-sided anti-static bubble bags made with a special process complex. Anti-static shielding outer membrane surface resistance value is: ≤108 ~ 1010Ω, the inner bead film is anti-static electric: ≤109 ~ 1011Ω. The product has excellent cushioning, shock absorption performance of packed commodities can play a very good protection, the packaging material can be clearly recognizable from the outside, inside the article, but not easily damaged can be used repeatedly for packaging to reduce costs. Apply to: computer motherboards, network communications products, all kinds of electronic devices and high-end PC board ...... and other products packaging.