Does your pop’s rock? Well, treat your dad to this cute greeting card ideal for a birthday or father’s day. Details: Designed by Alex Willmore. Size: Square (148 x 148mm / 5.8 x 5.8 inches). - that fits as a standard sized letter in the UK mail. Produced from sustainable forests and/or recycled materials. Blank inside for your own message. 100% recycled brown kraft envelope supplied. Made in the UK.