You may have given somebody a wrong sized tee, an identical gift or a defective toy. The same thing probably happened to you, too. Returning or exchanging unwanted gifts is a practical way to convert a somewhat useless item into something useful. Many different reasons may make a gift unwanted so you shouldn’t feel bad [...]
Source: http://www.gagazine.com/what-you-need-to-know-about-returning-and-exchanging-gifts/