White C4 paper envelope 229x324

📩 White paper envelope C4 (229×324 mm) - 90 g/m² with print and self-adhesive closure (SK)

Looking for a sturdy and professional envelope for sending A4 format documents without folding them? White paper envelope C4 (229×324 mm), made of offset paper with a weight of 90 g/m², is a reliable solution for offices, institutions and private individuals. Thanks to the self-adhesive closure (SK), you can seal it in a flash - without wetting or tearing off the strip. The internal print additionally protects the confidentiality of correspondence, ensuring the highest degree of discretion.

🌟 Key features of the C4 envelope (229×324 mm)

• C4 Format (229×324 mm): allows sending A4 sheets without the need for folding, ensuring documents remain in perfect condition.
• Weight 90 g/m²: solid offset paper ensures that the envelope won't tear when filled with several sheets.
• White color: elegant and universal look, which emphasizes the professionalism of correspondence.
• Self-adhesive closure (SK): quick and easy to use – just press the flap to the envelope for a durable closure.
• Internal print: ensures discretion, protecting the contents from showing through and increasing the level of security of correspondence.
• Without window: allows for full freedom in placing the recipient's address (print, sticker, stamp or manual writing).
• Eco-friendly offset paper: the whole is recyclable, which fits into the eco-friendly actions of both companies and private individuals.

📄 Example applications of C4 envelopes

• 📑 Documents, contracts, official letters: easy packing of A4 sheets without folding the edges.
• 📄 Certificates, diplomas, commercial offers: thanks to the 90 g/m² weight, the envelope provides adequate protection for important materials.
• 📢 Marketing materials, folders, brochures: C4 format will fit most standard advertising publications.
• 📬 Office and company shipments: suitable for correspondence to customers, contractors, offices and other institutions.

💼 Who will benefit from the white C4 envelope (90 g/m², SK)?

• 🏢 Offices and institutions: faster preparation of letters thanks to self-adhesive closure, and a professional look helps build trust.
• 🏠 Private users: correspondence in which it is important to keep documents in an undamaged state.
• 🛍️ Online stores and sellers: sending invoices, contracts or additional materials in the shipment.
• 🎯 Marketing departments and advertising agencies: wide-format flyers and promotional brochures will reach the recipient without unsightly bends.

⚖️ Why choose a C4 envelope?

Unlike smaller envelopes (e.g. DL or C5), the C4 format (229×324 mm) allows for sending full-size A4 documents without damaging the paper structure. You thereby avoid bending or cracked edges, which is particularly important in the case of official letters, certificates or promotional materials, where aesthetics matter. In addition, the higher grammage of 90 g/m² helps maintain proper rigidity and presentation.

🎨 Personalization and other options

Do you want your parcels to look fully professional? Take advantage of company printing on envelopes. Additionally, in our offer you will find:

• Custom-sized boxes – design your own box to match your products, ensuring fully safe shipping.
• Printed boxes – enhance your packaging with an logo, graphics or promotional materials that will grab the attention of recipients.

Such solutions will help you strengthen your image and stand out from the competition.

💬 Need a custom offer or larger quantities?

Go to the PRO form and describe your needs. We will be happy to prepare for you a tailored quote and propose the most beneficial packaging solutions.

White paper envelope C4 (229×324 mm), 90 g/m², with underprint and SK closure – opt for safe, elegant and convenient correspondence that will impress the recipient!