Made from 0.29mm 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 small oven tray 321mm x 233m x 14mm, 12 cup shallow bun sheet 355mm x 217mm x 19mm , medium roaster 318mm x 255mm x 35mm, chop roaster 259mm x 205mm x 30mm and a round fixed base sandwich tin 185mm x 185mm x 26mm. Colour: Grey.