Frequently Asked Questions
Everything you need to know about your NiiHAi experience, from shipping to sizing.
How long does shipping take and what are the costs?
We offer worldwide shipping. UK orders typically arrive within 2-4 business days, while international shipping can take 7-14 business days depending on your location. Costs are calculated at checkout based on weight and destination.
What is your return policy?
We accept returns on all unworn items with original tags attached within 14 days of delivery. Please note that for hygiene reasons, certain items like earrings or intimate apparel cannot be returned unless faulty.
How do I know which size to choose?
Each product page features a detailed size guide tailored to that specific garment. If you are between sizes, we generally recommend sizing up for our more structured pieces or checking the 'Fit & Fabric' section for stretch details.
What payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and Apple Pay. We also offer 'Buy Now, Pay Later' options through Klarna and Clearpay in supported regions.
Can I track my order once it has been placed?
Yes, as soon as your order is dispatched, you will receive an email containing a tracking link and a unique shipping number to monitor your delivery's progress.
Are your products ethically produced?
NiiHAi is committed to responsible manufacturing. we work closely with our suppliers to ensure fair labor practices and are constantly seeking ways to incorporate more sustainable fabrics into our seasonal collections.