The USPS specifies that postcards must not be thinner than . 007". Postcards thicker than . 016" are considered letter weight and will require a more expensive stamp. [1] X Research source You can use any color paper that you want, as long as the address will be clearly visible. Blank notecards are a good choice - you can buy them in white or any other color, and they come in the right sizes.
There’s no reason the line has to be drawn directly down the center of the card. If you want more space to write a longer note, scoot the line toward the right side of the card so you have more room on the left.
Newspaper clippings Magazine clippings Photos Construction paper Inks Paint Ribbons Sequins Glitter Glue
Glue a photo you took to the front of the card. Decorate it with a fun border using colored paper and glitter. Make an original drawing of something you saw on your trip that reminded you of your friend. Cut out words from a magazine and make a word collage on the front of the postcard. Use ribbons to make a basket-weave pattern or another abstract design. Add stickers, washi tape, or hand lettering their name to make the card look great!
Don’t cover the back of the card in sealant, or you won’t be able to write on it.
