Portmeirion Sophie Conran Mulberry Rectangular Lasagna Roaster. The Sophie Conran Collection was designed exclusively for Portmeirion. This collection is as durable and functional as it is beautiful. Sophie is part of the world-famous Conran lifestyle and culinary dynasty. The simplistic and organic nature of this collection makes it perfect for every style and taste. Each beautifully designed porcelain item meets the hard-wearing needs of today’s family and culinary experts. Available in several colors, the look can be as simple or diverse as your tastes demand. This Roaster measures 11-1/2-Inch in length and 9-1/2-Inch in width. More colors available.