Chalkboard Monster Birthday Party Invitations Image by harrykane on DeviantArt. Some features of our Birthday Invitations: Professionally printed on 80# cardstock paper so you feel the quality. An invitation in the mail is more fun to receive than an electronic invite! Easy to use because all you have to do is simply fill in and mail out. 20 invitations and 20 white envelopes included. 5 X 7" so they have bigger visual impact (most other invites are much smaller). 100% Manufactured in the USA, we use local professional print shops and hand package our products. Handwritten invitations are so special! You are going to love how quick and simple it is to create a handwwritten invitation for your special event. Simple fill in spaces make these invites a breeze to fill out. Save time because these birthday party invitations are printed and shipped straight to you. There's no need to download and print and cut yourself. Our birthday party Invitations will arrive in your mailbox ready for you to simply complete and mail. We make it easy for you to coordinate your whole party and wow your guests. Your purchase is backed with a 100% money back guarantee, so if you don't love them simply return them for a 100% refund.