1. Items can be returned for exchange or refund within 7 days of receipt. Customer is responsible for all the return shipping cost, and make sure the returning item be well packed. 2. Negative feedback does not solve anything. We kindly advise you contact us before filing a dispute. We believe 99.99% of the problem could be solved by communication. Negative feedback and claim to eBay or PayPal may lead to bad situation between seller and buyer, and make the two parties suffered from lost.