"A-to-z Claim Conditions
When you buy from third-party sellers on Amazon.com, the condition of the item and its timely delivery are guaranteed under the A-to-z Guarantee.
You can file a claim when all of the following applies:
You have contacted the third-party seller through Your Account.
You have waited two business days for a response.
Your request meets one of our A-to-z Guarantee conditions below.
The third-party seller failed to deliver the item by 3 days past the maximum estimated delivery date or 30 days from the order date, whichever is sooner.
The item you received was damaged, defective, or materially different from the item represented on the product detail page.
The third-party seller agreed that they'd refund you, and they either haven't refunded you at all or the refund is in the wrong amount."
"Note: If the seller's listing is eligible for Amazon Prime, Amazon Customer Service will handle any issues related to the order."