Model Number: Metallic Bubble envelope-k37Q Brand Name: J, J-jiaxing, Earbuds Key Specifications/Special Features: Specifications:Material: metallic bubble/aluminum foil or others like plastic, kraft or moreSize: 230 x 325mm or customizedFeatures:

Multifunction for mailing and packaging

Lightweight and small volume for post savings

Self-seal closure offers security and speeds up packaging operation

Various envelope bag, aluminum foil metallic bubble envelope and plastic envelope are available

Various colors and designs are available

Packing: 1 set/color card + OPP bag or customized