To process your return as quickly as possible and issue your refund, please enter your order number in the "Customer Reference" field, followed by the item numbers of the products you wish to return. You can find this information in your order and shipping confirmation, as well as on the packing slip, e.g., MTS2420XX / No. 1, 3, 5. Please ensure that the returned items are unused, clean, and have all original tags and labels attached. Return the items in their original packaging, securely sealed in our shipping box. If you have any questions, feel free to contact us via email at info@may-tie.de.