If they annoy you but you still put up with them, you know you've got something special.
 
Details:

Size: A6 (105 x 148mm / 4.1 x 5.8 inches).
Printed on FSC Board - this means that the paper is produced from sustainable forests and/or recycled materials.
Blank inside for your own message.
100% recycled brown Kraft envelope supplied.
Made in the UK.