DB766 BLUE is unique it is a highly sought after special blend of colors to form this magnificent Blue.;Genuine ValueMailers TradeMarked Product, Water, Tear and Puncture resistant.;Blue outer surface silver inner layer provides confidentiality.;The self-seal closure provides a reliable, tamper-evident seal to secure all enclosures, while being opaque, the exterior film creates a crisp, professional image for your company.;High-efficiency mailers are perfect for shipping a wide variety of non-fragile items.