It’s hip to be square: and that’s just what we are. Ohh Deer have teamed up with Roman Muradov to create these cute and funny cards. Details: Designed by Roman Muradov. Size: Square (148 x 148mm / 5.8 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% recycledÂ kraft envelope supplied. Made in the UK.