23dia x 3. 5cm tart tin. Uses a double-layer superior Whit ford eclipse coating, this 1 mm-thick tin is a lifetime purchase and won't warp, corrode or flake. Bpa and PTFE-free, each product from the Tala performance range is Manufacturer by the finest, fully audited bake ware with state of the art non-stick spray coating facilities. Part of the Tala performance bake ware Collection, The best non-stick bake ware on the market. Metal-utensil & dishwasher safe and protected by a fantastic 10 year guarantee.