... Bag or MailerUsage1,post tape ,mini-type machine ,CD ,IC card and so many electronic components, integrated circuit, optical lens, ect ... acid, high impact, non-toxic.2 .vivid and shiny printing3 eco-friendly and recyclable4 outside with aluminum film, a variety of ... colors, beautiful and easy5 self-adhesive for easy sealing and reused6 cushioning excellent protection to fragile items7 ...