Frequently Asked Questions
Everything you need to know about shopping with NiiHAi.
How long does shipping take?
Standard domestic orders typically arrive within 3-5 business days, while international shipping can take 7-14 business days depending on your location and customs processing.
What is your return policy?
We offer a 14-day return window from the date of delivery. Items must be unworn, unwashed, and in their original packaging with all tags attached to be eligible for a refund.
How do I find my correct size?
Each product page features a detailed size guide. We recommend measuring yourself and comparing your results to our chart, as our signature body-con fits are designed to be true to size.
Do you ship worldwide?
Yes, NiiHAi ships to most countries globally. Shipping costs and estimated delivery times will be calculated at checkout based on your specific destination.
Can I change or cancel my order?
Orders are processed quickly to ensure fast delivery. You can request a change or cancellation within 1 hour of placing your order 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 Buy Now, Pay Later options like Klarna and Clearpay.