Oh no, it's the BIG 4 0! Just the excuse to throw a fabulous 40th Birthday party with Zazzle invitations! Add your details and special messages to our existing designs, such as funny 40th birthday invitations and photo 40th birthday invitations. Then pick your shape and paper type, from linen to felt to extra-thick. Most of Zazzle's invitations are made within 24 hours of being ordered, so you can send them out as soon as possible. While you're here, why not check out some of the other invitation designs on Zazzle on the main invitations page.