You're A Rad Dad! Details. Printed on recycled card 350gsm with a recycled envelope! Packed in a eco, biodegradable cello bag. The card is blank inside for your own message. Shipping. Postcards will be sealed in clear plastic eco (compostable) sleeve and delivered in a reinforced a protective stiff envelope. All artwork is subject to copyright and any reproduction or use of this artwork without permission will be infringing copyright.