We have all become a little house plant mad recnetly, or maybe you already was a self confessed plantaholic! Pusheen has the full guide on how to build your plant empire! Details: 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.