To return an item please contact directly the vendor by using the form you find in the product page or in the vendor minisite.
According to the law you have 14 days to return the item if this one is not a custom order. The aplicability of a restoking fee depends of the vendor. Usually you can find this information in the product page.
To return goods that arrive damage to the buyer there is no applicable fee. The vendor will provide to refound the buyer or to change the item and will pay all the process expences.
More dettails about the return policy are in the Policy and Regulations sections