About this item

• Sturdy and Reliable Material: the expandable mailing envelope is made of high-density HDPE Nonwoven material, which is puncture-resistant, tear-resistant, waterproof, breathable, and moisture-proof; Its sturdy and reliable structural design is very suitable for mailing letters, organizing documents or personal items, etc, ensuring privacy and security
• Expansion Envelopes Set: you will receive 100 expandable envelopes measuring approximately 12 x 16 x 2 inches, which are sufficient for home, office, or school use, such as mailing, sorting, or storing documents, without creases or wrinkles
• Flexible and Expandable Structure: the unique expandable structure makes this self-adhesive envelope more practical than ordinary envelopes; It has elastic pleats on both sides or the bottom, which can easily expand the internal space to meet most of your document needs
• Self-adhesive Closure Design: compared with ordinary envelopes that require tape reinforcement, our self-adhesive design is more convenient and safer; You only need to tear off the protective film to fit the envelope tightly, effectively preventing accidental opening during transportation, and providing reliable protection for your documents or items
• Suitable for All Kinds of Files: this large capacity expansion envelope provides reliable security and can be applied for mailing large and small documents, such as letters, CDs, books, manuals, catalogs, etc. It can also be applied for storing receipts, finances, tax returns, magazines, reports, etc