Progress Cooks Choice Roasting Set Made from 0.29 mm gauge mild steel with a non stick superior Teflon classic finish. Oven Safe up to 240°C with a 5 year guarantee. Dishwasher safe and made in the UK. This set consists of a medium oven tray 36 x 250 x 18 mm, lasagna bake 367 x 243 x 50 mm, chop roaster 259 x 205 x 30 mm and a 4 cup Yorkshire pudding tray 234 x 234 x 19 mm.