Stainless Steel Idli Maker with 6 Non Stick Idli Racks by Premier Excellent Quality Stainless Steel Idli Maker. 6 X 4 Non Stick Plates makes 24 Idlies.The height of the 6 tier idli stand is 8 inches.The diameter of each idli stand is 7.75 inches in diameter With pressure release whistle. The 6 trays are stacked and secured through a center rod.Each tray has 4 idli molds.Each idli mold is 3 inches in diameter and .75 inches in depth. Nonstick coating on the upper surface of the idli stand and the bottom surface of the idli stand is aluminium.