Microwave Potato Baker Set Of Two Microwave Potato Baker Set Of Two Each One Has Four Prongs Hold Even The Biggest Russets Or Idahos Upright For Faster Cooking Stays Cool To The Touch For Safe Removal. Separates Into Two Flat Sections For Compact Drawer Storage. Made From Polypropylene; Dishwasher Safe About 4-3/8"w X 3"h X 4-3/8 "l.