Frequently Asked Questions
Everything you need to know about your NIU shopping experience.
How long does shipping take?
Standard shipping typically takes 3-5 business days within the continental US, while international orders may take 7-14 business days depending on the destination.
What is your return policy?
We offer a 30-day return window for all unworn items with original tags attached. Simply use our online portal to generate a prepaid return label.
How do I find my correct size?
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.
Which payment methods do you accept?
NIU accepts all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and Buy Now, Pay Later options via Klarna.
How can I track my order?
Once your order ships, you will receive an email confirmation containing a tracking number and a link to monitor your package's progress in real-time.
Are your materials sustainably sourced?
Yes, we are committed to ethical fashion. Over 80% of our current collection is made from organic cotton, recycled polyester, or Tencel to minimize our environmental footprint.