GN muffin tray with flat base which distributes heat optimally, even browning with crispy results..5 non-stick layers. Lotan ecological coating. Corrosion protection layer. Reinforced coating for long-lasting abrasion resistance. Resistant to thermal shock! PFOA free. Handle made of durable PVC, resistant to temperatures up to 240C°. Suitable for use in the oven. 25 year warranty on heat transfer and 5 years on non-stick coating. Hand wash is recommended, but the use of a dishwasher is indicated as well. Made in Germany. The specific utensils are 100% made in Germany at the AMT factory in WUPPERTAL. The combination of long-term experience in metal processing and the need for “MADE IN GERMANY” products with a high level of quality & respect for the environment and consumer hygiene, prompted the parent company AMT ALLUMETAL to launch this incredible quality & variety of cookware.