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