Let a loved one know this Valentine’s Day just how much they mean to you with this retro heart design. 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 sources and/or recycled materials Blank inside for your own message. 100% recycled brown kraft envelope supplied. Made in the UK.