OG Rounded Rectangle Stack Pack - 3Our OG Rounded Rectangle Stack Pack is perfect for making serving platters, snack trays, and more! The OG Rounded Rectangle Stack Pack allows for versatility in shape and size, as you can use the forms individually as well. Our OG Rounded Rectangle Stack Pack includes: (1) 4. 5x13. 5" Rounded Rectangle (1) 6x15" Rounded Rectangle (1) 7. 5x16. 5" Rounded Rectangle Clay should be left on the OG Forms until stiff, leather hard. Each OG Form has a 45