Our OG Oval 11x13" (4 Pack) is ideal for making multiple large platters or serving trays in one setting. Our OG Oval 11x13" is stackable with our OG Oval 9.5x11.5" to create greater depth and versatility. Clay should be left on the OG Forms until stiff, leather-hard. Each OG Form has a 45 degree angle edge, and has 3/4" depth. All Forms are measured in inches. Weight: 7.8 lb