Welcome to Envelope Kings!
Do you want to add protection to your packaging? Of course you do! These Rigid Mailers Cardboard envelopes is manufactured from a 300gsm solid board or 400gsm corrugated micro flute Board and is available in many different sizes to suit.
Email our Customer Service Team on email@example.com
or call us on +44 (0) 800 612 6152
Monday to Friday 8:30am to 5:30pm (GMT)