Return & Exchange

At KOI.JP, your satisfaction is our top priority. Here's our policy on returns and exchanges:


  • We accept returns within 30 days of delivery for a full refund, minus any shipping costs.
  • Items must be unused and in their original condition with tags attached to qualify for a refund.
  • Contact our customer service team to initiate the return process and receive a return authorization.


  • Need a different size or color? We're happy to facilitate exchanges for eligible items. Contact us to get started.

Defective or Incorrect Items:

  • If you receive a defective or incorrect item, let us know within 7 days of delivery, and we'll make it right at no extra cost to you.


  • Once we receive and inspect your returned items, we'll issue your refund within 5-7 business days to your original payment method.

Questions or Concerns:

  • Have questions about our return or exchange process? Our customer service team is here to assist you every step of the way.