PABCK 100 Pcs Black Metallic Envelopes Foil Mailers Opaque Mylar Bags for Trading Cards Waterproof Self Adhesive for Small Business Crafts Makeup Jewelry Gifts Packaging Bag 2.76x3.54+0.79 inch
2.76x3.54 inch is outside size and additional self-adhesive part 0.79 inch; Usable dimension: The length of the product must not exceed 3.54 inches and the width must not exceed 2.76 inches
The thickness of metallic foil material is 2.17mil (one side)
Self seal design with strong adhesion makes the mailer work for your purpose and not need extra tape to seal
The material of this metallic foil mailers is stronger than poly packaging
The foil bags can be used for small crafts and gifts packaging. It also can be used for shipping small pacakges