Why choose Joyfair stainless steel muffin mould? 1. Made of food grade stainless steel, no toxic materials, do not leach harmful chemicals into food. 2. Perfect size of the muffin tray individual holes, ideal for baking regular size muffins and cupcakes. 3. Smooth rolled edge for comfortable grip and good grip, protect your hands well when baking. 4. Smooth surface for easy washing, dishwasher safe to free your hands and save your time. Instructions for use: 1. Please wash them with soapy water before first use to remove any residue. 2. Please clean with a soft sponge or tea towel, and do not rub with a sharp metal to avoid scratches. 3. Please clean and dry them immediately after use, stored in a dry place for durability.