Silicone bases are non-slip for steady base during use. Food-grade stainless steel is high quality durable and rust resistant. Exterior matte finish prevents scratches. Features inserts for grating and slicing. Air tight transparent fitting lids. Bowls nest inside one another for space saving storage. Interior measurement marks. Safe for dishwasher refrigerator and freezer. Includes: 1.5qt Bowl with lid (6.6" x 4"). 3qt Bowl with lid (8.35" x 4.8"). 5qt Bowl with lid (9.8" x 5.6"). Slicer insert. Fine grate insert. Large grate insert.