Ebay is an online marketplace not an online merchant, and therefore they Ebay doesn't have a returns policy, and will not accept goods. However, it is advised that before making a purchase from any seller, contact them about their Ebay returns policy to ensure that it is possible for you to get your money back if you were to be given an incorrect or faulty item. To maximise the chances of being protected for faulty products or incorrect listings, then paying via PayPal qualifies you for payment protection.
Ebay.co.uk has a few rules that every user of the website should abide by (including all eBay members, employees as well as eBay itself). The rules are the for everyone's protection and benefit. The basic rule that everyone should abide by includes being the correct age in order to participate on the eBay marketplace. All contact details provided by eBay members should be valid so that buyers or sellers can be contacted should any queries arise. Therefore, in order to make eBay returns please contact the individual seller.