Frequently Asked Questions
Everything you need to know about shopping with NiiHAi.
How long will it take for my order to arrive?
Standard shipping typically takes 3-5 business days for domestic orders, 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 include all original tags and packaging to be eligible for a refund.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times are calculated at checkout based on your specific destination.
How do I know which size to choose?
Each product page features a detailed size guide. If you are between sizes, we recommend sizing up for a more relaxed fit or checking the specific garment measurements provided.
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.
Can I change or cancel my order after it has been placed?
We process orders quickly to ensure fast delivery. Please contact our support team within 1 hour of placement if you need to make changes; once an order has reached the warehouse, it cannot be modified.