China Custom Metallic Bubble Mailers Manufacturer: Custom Metallic Bubble Mailers, Polyethylene with Aluminum Coating, Custom Sizes, Printing, Colors. Material Quality: Polyethylene with aluminum coating. Color: Blue, purple, silvery, golden, green, or any other colors. Multipurpose Bubble Mailers: You can use these to mail cosmetics, paintings, fashion accessories, jewelry, medicines, seeds and bulbs, and a lot more. They are padded enough to protect fragile things during shipping. The laminated top allows you to attach self-adhesive stamps and address labels easily. https://www.bavora-printing.com/custom-metallic-bubble-mailers.html