Box with slider tray 4.5 X 5.5 X 1.75 Kits contain: 6 unique postcards 4.25 X 5.5, 4 unique greeting cards & envelopes 4.25 X 5.5, 1 ballpoint pen with Letter Writer's Revival logo, 1 Special Delivery wooden rubber stamp 2.75 x 1, box shrink-wrapped. This just in: Due to extreme screen fatigue from home-schooling, working-from-home, NETFLIX-streaming weeks of confinement, TRIPS TO MAILBOX ARE ON THE RISE. Take a break from the screens to write a good old-fashioned card, and brighten somebody's day while you're at it. Who doesn't love receiving snail mail? Buy a kit and start giving!