Every Door Direct Mail is special postal service in the USA. It's the cheapest and effective marketing tools. One of the top door-to-door marketing kit. An EDDM campaign can bring up to 40% more sell in a season and can increase the popularity of your products.
Standard EDDM postcard sizes: 4.25 x 10.625, 4.25 x 15, 6.25 x 9 and 6 x 11. It's same as Postcard, but its goes to all post box to your selected area. You don't have to input any address on it.
EDDM I designed: https://www.flickr.com/photos/125307444N06/sets/72157660089894212