When it comes to returns or exchanges on Tanga.com, it is generally recommended to have a receipt or proof of purchase. This documentation helps to confirm the transaction and speeds up the return process. Tanga typically allows for returns within a specific time frame, which is often outlined in their return policy. Without a receipt, it may be more challenging to process the return or exchange successfully. The specific conditions for returns or exchanges can vary based on the item and the seller, as Tanga operates as a marketplace with various sellers. It is always a good idea to review the current policies on the website to ensure you have all the necessary information before initiating a return or exchange. If you need further details about the process, checking the relevant sections on the Tanga.com website can provide clarity.