Tramontina 20 Piece Stainless Steel Prep Set with Lids Tramontina Select 20 Pc. Prep & Store Set 1-1 1/2 qt./1.4 l mixing bowl, 1-3qt/2.8 l mixing bowl 1-5qt/4.7 l mixing bowl, 4-10 oz/296 ml preparation bowls 3-2qt/1.9 square storage containers Flat Bottom provides stability