B4 Mailing Envelopes (250x353mm) - 100gsm, Self-Seal, White

Ensure your important documents and larger items are sent securely and professionally with these high-quality B4 mailing envelopes. Crafted from robust 100gsm white paper, these envelopes provide excellent protection during postal handling while maintaining a crisp, professional appearance. Their generous B4 size (250 x 353 mm) makes them ideal for mailing A3 documents folded in half, posters, blueprints, and various marketing materials.

Experience unmatched convenience with the integrated self-seal strip, allowing for quick and easy closure without the need for licking or messy glues. These durable white envelopes are designed to withstand the rigors of mail delivery, making them perfect for businesses with high-volume shipping needs or for personal use when sending larger items. As an eco-friendly choice, these mailing envelopes are also recyclable, supporting environmentally conscious practices.

Specifications

• Size: B4 (250 x 353 mm)
• Weight: 100gsm
• Color: White
• Closure: Self-Seal Strip
• Quantity Options: Single Envelope or Pack of 500

How to Use

Simply fold your documents or items to fit comfortably inside the envelope. Peel back the protective strip from the self-seal adhesive, insert your contents, and firmly press the flap to seal. Once sealed, address the envelope and apply the necessary postage before sending.