Frequently Asked Questions

Everything you need to know about your Koihappiness experience.

How long will it take for my order to arrive?

Standard shipping typically takes 5-7 business days within the continental US. International shipping times vary by location, usually ranging from 10-15 business days.

What is your return policy?

We offer a 30-day return policy for all unworn and unwashed items with original tags attached. Simply visit our returns portal to start your request.

How do I know which size to choose?

Each product page features a detailed size guide with specific measurements. If you are between sizes, we generally recommend sizing up for a more comfortable fit.

Are your materials sustainably sourced?

At Koihappiness, we prioritize ethical manufacturing. We use a mix of organic cotton and recycled fabrics to ensure our fashion footprint is as light as possible.

Can I change or cancel my order after it has been placed?

Orders are processed quickly to ensure fast delivery. You can modify or cancel your order within 60 minutes of placement by contacting our support team.

What payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and Klarna for interest-free installments.