Open an Item Not As Described dispute.
If you ordered multiple times (not one order for multiple items) open multiple disputes.
To get your refund you will have to return the incorrect items with Confirmation of Delivery.
You have up to 60 days to leave feedback. The most effective feedback is calm and factual.
At the same time you will be asked to leave Detailed Seller Ratings. The lowest Rating is ONE STAR. The norm is five stars.