Clothing sizes in China don't quite match those in the UK, as the population as a whole is a little smaller. As such, it can be difficult for larger westerners to find garments that fit them properly. The two main problem areas are shoes and trousers, so if the recipient is particularly tall or wears shoes size 11 or bigger, consider sending some items out.
Football is massively popular in Southeast Asia, but it's not always easy to get hold of replica shirts from English league teams - especially those playing below the top flight. If your loved one is football mad, give them the chance to represent their club by sending the latest jersey.
Last, but certainly not least, finish your care package off with a few things to remind the recipient of home. Before you tape the box up, be sure to throw in a copy of their favourite magazine, a recent newspaper and a framed photo of the family.