SSL encryption
Protects information transmitted during checkout.

Secure Payment Policy
ISNIB, operated by Koynin Ltd, is committed to providing a secure, transparent and reliable payment experience.
Availability may depend on checkout location and payment provider.
How it works
Enter billing and card information in the encrypted checkout.
Payment data is transmitted securely to the payment processor.
Airwallex and its processing partners request card authorisation.
Your order proceeds after payment authorisation succeeds.
Card details are handled directly by payment processors and are not stored on ISNIB servers.
Payment security
Protects information transmitted during checkout.
Transactions are handled by Airwallex and integrated processing partners.
Transactions may be reviewed to help prevent unauthorised activity.
Orders may be held, declined or cancelled when authorisation fails, billing information cannot be verified or a transaction is flagged for review.
Customers are responsible for providing accurate billing information. Incorrect details may delay or cancel an order.
Payments are processed in the currency shown at checkout. Your card issuer may apply currency conversion or international transaction fees.
Approved refunds are issued to the original payment method. Processing time varies by payment provider.
View return & refund policy →
Payment questions
Contact ISNIB before initiating a chargeback or payment dispute. Our support team will review the issue and try to resolve it fairly.
Contact support →Card transactions may be handled by Airwallex and its certified processing partners. Those providers may apply their own terms and policies.
ISNIB · Operated by Koynin LtdEvery order ships free. Most deliveries arrive within 6–11 business days.
Delivery DetailsSend eligible items back within 30 days. Approved refunds return to your original payment method.
Returns DetailsEncrypted checkout powered by Airwallex, with major international cards accepted.
Secure CheckoutEmail [email protected]. Our support team aims to reply within 24 hours.
Contact Support