Send this Birthday card to any cat lover. Even if you didn’t get them a present you know the cat will always deliver. Details: Designed by Ken the Cat 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 Paper Envelope. Made in the UK.