This is ideal if you have multiple siblings and you need your greeting card to stand out, as this card is NEON. Believe us, this card is astonishingly bright!Details: Designed by Amy Lesko. 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.