These cheery flowers will brighten anyone’s day and let them know you are thinking of them. Details: Designed by Charlotte Love 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% Recycled Kraft Paper Envelope. Made in the UK.