Contact
For help with an order, a return or a product, please get in touch.
Customer service
Email: support@kaizgai.com
Hours: Monday – Friday, 9:00–17:00 (German local time)
If your enquiry relates to an existing order, please include your order number.
Returns
For return instructions and information about your cancellation rights, visit our Returns & Right of Withdrawal page.
Business details
Our full business details are available in our Impressum.
Last updated: 1 November 2026