Welcome to our class postcards: Student will enjoy receiving a postcard from their teachers, use these welcome postcards to celebrate your students. Affordable: Each postcard costs less than stamp itself (31 cents per postcard) compared to $1.00 or more for cards with envelopes. No envelopes are needed: No need to look for the right size envelopes or to lick any envelopes. Can be mailed without envelopes using discounted USPS postage. Easy to write on: Made from premium quality sturdy matte card stock which is durable and easy to write on with any media. Blank on the back: Enough blank space on the back side of the postcard to let your students know you are excited to see them back at school!