--- product_id: 201359550 title: "20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope" brand: "isoul" price: "€ 14.97" currency: EUR in_stock: true reviews_count: 12 category: "I Soul" url: https://www.desertcart.gr/products/201359550-20pcs-a4-envelopes-self-seal-isoul-324mm-x-229mm-a4 store_origin: GR region: Greece --- # 324mm x 229mm A4 C4 size Hard board backing prevents bending Peel & Seal tamper-proof closure 20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope **Brand:** isoul **Price:** € 14.97 **Availability:** ✅ In Stock ## Summary > 📬 Seal it. Secure it. Send it. Stand out in every mailbox. ## Quick Answers - **What is this?** 20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope by isoul - **How much does it cost?** € 14.97 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/201359550-20pcs-a4-envelopes-self-seal-isoul-324mm-x-229mm-a4) ## Best For - isoul enthusiasts ## Why This Product - Trusted isoul brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Perfect A4 Fit:** Sized precisely for A4 documents, photos, and certificates—no folding required. - • **Bulk Value Pack:** 20 premium envelopes to keep your workflow smooth and your mail professional. - • **Effortless Security:** Peel & Seal closure locks your documents in seconds—no mess, no fuss. - • **Eco-Conscious Choice:** Made from recyclable materials to keep your office green and guilt-free. - • **Unbreakable Protection:** Rigid hard board backing ensures your contents arrive flat and pristine. ## Overview The iSOUL 20-pack of A4 C4 manilla envelopes features a sturdy hard board backing and a convenient peel-and-seal closure, designed to protect and securely ship important documents without bending. Sized at 324mm x 229mm, these eco-friendly envelopes are perfect for professional and personal use, offering reliable, tamper-proof mailing with a sleek, no-mess seal. Ideal for offices, institutes, and creatives who demand quality and convenience in every send. ## Description 20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope : desertcart.co.uk: Business, Industry & Science Review: sturdy, reliable envelopes that protect documents and are easy to seal - I have been using the iSOUL 20-pack of A4 self-seal manilla envelopes with hard board backing for sending important documents and prints, and I am very happy with them. The hard board backing is strong and keeps the contents flat and protected during shipping. The envelopes fit standard A4 documents perfectly and have enough extra space to hold thicker papers without bending. The self-seal feature is very convenient and easy to use—no need for licking or wetting the adhesive. I also like that these envelopes are made from recyclable materials, which makes them a more eco-friendly choice. The envelopes have held up well through the postal system and my documents always arrive in great condition. While they are not waterproof, I have not had any issues with moisture so far. The pack of 20 offers good value for the price, and the quality is consistent. Overall, I would recommend these iSOUL manilla envelopes for anyone who needs sturdy, reliable envelopes that protect documents and are easy to seal. They offer great protection and convenience at a reasonable price. Review: Strong, Reliable, and Perfect for Posting Documents - These A4 board-backed envelopes are excellent quality. The hard backing keeps papers flat and protected, and the “Do Not Bend” message is clearly printed and easy to see. The self-seal strip works well and sticks firmly every time. The size is spot on for A4 sheets without folding, making them ideal for posting certificates, photos, or important documents. They feel sturdy and professional, and none have arrived bent or damaged. Great value for the pack size — I’ll definitely be buying these again. ## Features - Peel & Seal Closure: Easy-to-use, secure peel-and-seal closure to keep your contents safe and tamper-proof. - Perfect Size: ideal for standard-sized A4, invitations, and cards etc. - Multi Purpose: Our large letter A4 posting envelopes are great for mailing holiday cards, greeting cards, invitations, announcements, photos, letters, wage slips, pay slips, dinner money, business office home and personal use - Eco-Friendly: Made from recyclable materials, these envelopes are environmentally friendly, helping you reduce your carbon footprint. - Includes: 20 x A4 C4 324mm x 229mm Manilla Hard Board Backed Envelopes Do Not Bend Envelope ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08739H9RF | | Best Sellers Rank | 211 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 3 in Envelopes | | Brand | iSOUL | | Brand Name | iSOUL | | Closure Type | Self-Seal | | Closure type | Self-Seal | | Colour | Manila | | Customer Reviews | 4.7 out of 5 stars 2,204 Reviews | | Item Dimensions L x W | 32L x 22.9W centimetres | | Item Shape | Rectangular | | Item Type Name | A4 ENVELOPES 20PCS | | Manufacturer | iSOUL | | Material | Cardboard, Fibreboard, Paper | | Material Type | Cardboard, Fibreboard, Paper | | Model Name | A4 ENVELOPES 20PCS | | Number of Items | 20 | | Number of items | 20 | | Occasion | Office | | Occasion Type | Institute | | Recommended Uses For Product | Letter | | Size | A4 | | Special Features | Lightweight | | Style | Flat | | Unit Count | 20.0 count | ## Product Details - **Brand:** iSOUL - **Closure type:** Self-Seal - **Colour:** Manila - **Material:** Cardboard, Fibreboard, Paper - **Occasion:** Office ## Images ![20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope - Image 1](https://m.media-amazon.com/images/I/911O1lBUwAL.jpg) ![20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope - Image 2](https://m.media-amazon.com/images/I/81+CwM-8DJL.jpg) ![20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope - Image 3](https://m.media-amazon.com/images/I/81IpcWyi3AL.jpg) ![20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope - Image 4](https://m.media-amazon.com/images/I/912HjMQYJnL.jpg) ![20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope - Image 5](https://m.media-amazon.com/images/I/81fk8PIvHyL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ sturdy, reliable envelopes that protect documents and are easy to seal *by S***T on 20 July 2025* I have been using the iSOUL 20-pack of A4 self-seal manilla envelopes with hard board backing for sending important documents and prints, and I am very happy with them. The hard board backing is strong and keeps the contents flat and protected during shipping. The envelopes fit standard A4 documents perfectly and have enough extra space to hold thicker papers without bending. The self-seal feature is very convenient and easy to use—no need for licking or wetting the adhesive. I also like that these envelopes are made from recyclable materials, which makes them a more eco-friendly choice. The envelopes have held up well through the postal system and my documents always arrive in great condition. While they are not waterproof, I have not had any issues with moisture so far. The pack of 20 offers good value for the price, and the quality is consistent. Overall, I would recommend these iSOUL manilla envelopes for anyone who needs sturdy, reliable envelopes that protect documents and are easy to seal. They offer great protection and convenience at a reasonable price. ### ⭐⭐⭐⭐⭐ Strong, Reliable, and Perfect for Posting Documents *by T***S on 10 November 2025* These A4 board-backed envelopes are excellent quality. The hard backing keeps papers flat and protected, and the “Do Not Bend” message is clearly printed and easy to see. The self-seal strip works well and sticks firmly every time. The size is spot on for A4 sheets without folding, making them ideal for posting certificates, photos, or important documents. They feel sturdy and professional, and none have arrived bent or damaged. Great value for the pack size — I’ll definitely be buying these again. ### ⭐⭐⭐⭐⭐ 20Pcs A4 Envelopes Self-Seal *by J***L on 6 August 2026* Very good value and quick postage as well 10/10. ## Frequently Bought Together - 20Pcs A4 Envelopes Self-Seal iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope - A4 Clear Self-adhesive Bags 100 Pack, 22x30CM Self Sealing Cellophane Display Bags/Sealable Bags, Food Safe, A4 Cello Bags OPP for Cookies,Cards,Envelopes,Pictures - House of Card & Paper Grey Kraft Board 1500micron 945gsm A4 Size 20 Sheets per Pack, HCP472 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/201359550-20pcs-a4-envelopes-self-seal-isoul-324mm-x-229mm-a4](https://www.desertcart.gr/products/201359550-20pcs-a4-envelopes-self-seal-isoul-324mm-x-229mm-a4) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-06*