These Postcard pads are spiral bound to securely hold your postcards while you’re working on them. When they are removed they have 4 deckled edges for a real artistic feel and flavor. Each is 4-1/2" x 7-1/4" and ready to be mailed from any postal facility you may come across. This pad features Strathmore 500 Imperial Cold Pressed Watercolor Paper with 12 Sheets.