Payment informations

• Where can I find my invoice from Billpay?
• Where can I find my invoice from Klarna?
• Why am I blocked from paying by invoice?
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• My PayPal payment did not go through. Can I still complete my order?
• My prepayment failed.

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Order process

• A product is out of stock. When will it be back?
• Can I take over an old order?
• Can I place my order by phone?
• I can't complete my order.

Product modification

• Can I select or change my free products?
• Can I change the products of my order?

Cancellation

• How can I cancel an order?
• How do I obtain a return label?
• How does the money back guarantee work?

Other questions

• Where can I find my order number?
• How can I change my invoice address?