Enhance your mailing efficiency with our top-quality 300Gsm White Card Express Post Envelopes. Ideal for businesses and personal use alike, these envelopes provide a reliable and durable solution for mailing documents safely. Featuring a convenient self-seal closure, our express post envelopes eliminate the need for additional sealing methods, ensuring your contents are secure during transit. Features High-Quality Material: Made from 300gsm white card, our express post envelopes offer durability and protection. Self-Sealing Design: Quick and easy to close without staples or tape, enhancing your mailing process. Eco-Friendly: Constructed from 100% recycled content, promoting environmental responsibility. Lightweight Construction: Reduces postage costs without compromising on security. Versatile Use: Perfect for mailing A5 size documents or items that require tough handling. Specifications Material: 300gsm White Card Size: 160 mm x 245 mm Colour: White Package Includes 50/100/200/300 pcs Express Post Envelopes (quantity depends on purchase) Trust our Express Post Envelopes for all your crucial mailings. With robust materials and a secure sealing mechanism, these envelopes are designed to keep your documents safe and reduce your mailing costs. Ideal for any dispatch requiring reliability and efficiency.