You can report problems with an order through your Printful dashboard.
Log into your Printful account
Find the order on your orders page - search using the order number
Click on order to open order summary
Click "Report" to open the problem report window
Write up your problem in detail and upload relevant photos where possible
Click "Report problem"
Be aware that Printful may require a photo to be submitted with your problem report to begin a reshipment. It is always best to include photos with your initial problem report to avoid delays.
Any claims for misprinted/damaged/defective items must be submitted within 4 weeks after the product is received. For packages lost in transit, all claims must be submitted no more than 4 weeks after the estimated delivery date.
Only claims deemed an error by Printful are covered at their expense. If it is not deemed an error by printful, then the customer must cover any shipping rates for returns or exchanges.