... gift mailing 2.Sizes available 3.OEM Wholesale Poly Bubble Envelope Aluminized Bubble Bag or MailerUsage1,post tape ,mini-type ... books,papers, picture frame, gifts,process packagings . Advantages1 bubble padded with shockproof ,waterproof,dustproof,,sound insulation, heat insulation, ... shiny printing3 eco-friendly and recyclable4 outside with aluminum film, a variety of colors, beautiful and easy5 self ...