Metallic Bright and Shiny exterior, grab your customer’s attentionCushioning bubble material protect your shipmentDurable, Lightweight and moisture resistant, with exceptional puncture resistance, tear strength,Features a peel-and-seal adhesive closure, The self-seal closure provides a reliable, tamper-evident seal to secure all enclosures.HIGH QUALITY: Made from metalized foil with 3/16 bubble lining. The multilayered construction provides excellent protection. Made by updated technology with 5-layer film. Multi-layer blend with transparent bubble. High slip. Heavy-duty mailer with exceptional tear strength. 2 sided protection, 0.5 inch fins. The laminated top allows you to attach self-adhesive stamps and address labels easily. Durable seams. Self-Sealing with hot melt glue. Tamper resistant wrap.