The Loaf tin with a lid can make a beautiful toast and slices of sandwich bread at home. The Pullman pan is made of commercial grade Aluminum coated steel .The corrugated design can improve the non-stick performance. The commercial grade pullman pan with Excellent heat conduction can bake bread in less time and keep bread more soft. The External Size of large pullman tin : 34 x13.5x 12cm Interior size: About 31x12x11.5cm Weight:1100g The hole of the bottom of loaf tin w lid is for good air circulation to improve the performance of the pullman loaf pan.