Nayomi.com will gladly accept the exchange or return of an item if it satisfies the requirements listed below: Return the product within seven days after the delivery date. Underwear is not returnable. The product must be unopened, not damaged, or unused, with its original receipt, original packing, and tags. Please contact customer service if you need assistance with a return for cash on delivery orders. Following receipt of all cash on delivery purchases in their warehouse and a positive quality check, refunds typically take 10 to 14 working days to process.