Triplast A4 Envelopes Board Back Manilla Pack of 10

Ensure your important documents and flat items arrive in pristine condition with Triplast A4 Envelopes. Designed for maximum protection, these envelopes feature a heavyweight 120gsm kraft paper front and a rigid 1000-micron solid board back to keep contents flat, crease-free, and completely safe during transit. A bold red "Please Do Not Bend" warning is printed prominently on the front to help prevent damage and mishandling by postal services.The convenient peel-and-seal adhesive strip provides a fast, clean, and secure closure, eliminating the need for messy tape or glue. Despite their robust construction, these envelopes are lightweight to help reduce postage costs and packaging waste. The smooth kraft finish is perfect for writing addresses directly or affixing labels for a professional presentation.An eco-conscious choice for your mailing needs, these envelopes are made from 100% recycled material and are fully kerbside recyclable and biodegradable. Each pack contains 10 C4-sized e