MAKE YOUR OWN POSTCARDS: Great for kids art, voter postcards, vacation postcards, thank you cards, RSVP cards, custom business postcards FEATURES: 5 inch x 7 inch large postcard with blank plain white front and with address lines and stamp box on back for mailing. USPS DMM 101.1 and DMM 102.1 compliant CARDSTOCK MATERIAL: 14PT heavy duty un-coated cardstock paper for writability and printing QUANTITY: 50 postcards in bulk pack POSTAGE: Requires standard first class letter postage stamp (not postcard stamp) These 5x7 blank plain white mailable postcards are ready for you to unleash your creative energy. Function both as a perfect activity for kids of all ages or as a professional marketing postcards. The 14PT un-coated card stock paper makes them easy for writing or drawings with pens, markers and pencils or for printing. The postcards offer a personal way to share your vacation adventures, a thank you, invitation, save the date, custom advertisements. The cards feature lines for the mailing address and stamp box on the back as well as space to write a short note. You will surely make an impression by designing your own custom postcards. Happy creating!