Large Document Envelope – Durable Premium Card Stock with Quick Seal

Large document envelopes offer a reliable way to keep your important papers safe and neat. This Polynet premium card large document envelope (30×39 cm) is perfect for storing and mailing oversized documents, invitations, certificates, and office paperwork without bending or creasing.

Key features

• Premium card and kraft paper construction for strong durability
• Spacious size ideal for large-format documents and files
• Quick self-seal closure providing easy, secure sealing without glue or staples
• Protects documents from folding, bending, and everyday damage
• Professional appearance suitable for office, school, and business use
• Lightweight and convenient for mailing or storage needs
• Multi-purpose for invitations, greeting cards, postcards, certificates, and legal papers

Materials & care

This envelope is made from sturdy card and kraft paper designed for durability and protection. Keep it dry and avoid excessive pressure to maintain its shape and protective qualities.

FAQ

Q1: What size are the large document envelopes?

A: Each envelope measures 30 cm by 39 cm (approximately 12 by 15 inches), suitable for oversized documents.

Q2: How does the quick self-seal closure work?

A: The envelope features an adhesive strip that seals quickly and securely without the need for glue, tape, or staples.

Q3: What types of documents can I store in these envelopes?

A: They are ideal for invitations, greeting cards, postcards, certificates, legal documents, office files, and other important papers.

Q4: Are these envelopes suitable for mailing?

A: Yes, the durable design protects contents during mailing, preventing bending and damage.

Q5: Can these envelopes be used in professional settings?

A: Absolutely, their clean and professional look makes them perfect for offices, schools, and businesses.