Butterfly badges: A4 (FSC) paper sheet with an intergrated laminated congress badge with two slits at the top for 2-clip keycord (less twisting). The butterfly badges can be printed automatically on both sides by using any kind of laser printer, ideal for sending as confirmation letter including the congress badge. There is an option to have the butterfly badges pre-printed in offset and to have perforation lines wherever you wish. In that case you can create tickets and vouchers in any size you wish on the same sheet as the badge. Card format 97 x 86 mm.