The processing time for a return at National Marker, Inc. can vary depending on several factors, including the specific item being returned and the conditions of the return. Typically, once a return request is approved and the item is received back at their facility, it may take several business days to process the return and initiate a refund. It is important to note that shipping times for the return package can also affect the overall timeline, as the return needs to arrive at their location before processing begins. If you wish to find the most accurate and up-to-date information regarding return policies and timelines, it is advisable to check their current website. This will provide you with specific details related to returns, including any pertinent instructions that may need to be followed.