They'll probably get tons of other greeting cards that say 'Happy Birthday'. Send them one that doesn't.
Blank inside for your own message
Around The World
Designed by Lanther Black from their best-selling Sad Stickman collection.
Size: 150x150mm (fits as Royal Mail standard size letter)
Printed on a luxury textured FSC board. This means that the paper has been sourced in an environmentally-friendly, socially responsible way. The envelope is also 100% recycled kraft brown. Woohoo!
Blank inside for your own message.