JigZoneShop Custom 513 Pieces Jigsaw Puzzle Puzzle size: 16 x 20inch Easy - just follow the steps below: 1. Select a digital photo from your collection. 2. Email it to service@jigzoneshop.com add your name, address and details of the puzzle you have ordered. 3. Make the purchase by completing the Checkout Process at www.jigzoneshop.com. 4. Receive your custom made to order puzzle within 10 days. Extra information: The 513 pieces work out to be approximatly 3/4" x 3/4" in size