13 Deals offers the Cook's Essentials 4.5-Quart Microwave Pressure Cooker for $17.49. Better yet, add two to your cart and the price drops to $29.98. With free shipping, that's tied with last week's mention and $10 under the lowest total price we could find for this quantity elsewhere. They're designed for use in microwaves with an inner cavity of approximately 12" x 12" x 7".