Give your mum and big hug and smooch because she is the best at everything and never steers you wrong with her worldly advice.. Details: Designed by Jessica Forgie. Size: A6 (105 x 148mm / 4.1 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.