國泰寄倉行李

It depends where you are flying.

In most of the cases, 20 kg is the limit.

However, if you are flying long-distance, such as the U.S., your allowance will be 23 kg.

2011-05-01 18:21:08 補充：
See here:

http://www.cathaypacific.com/cpa/zh_HK/helpingyoutravel/checkedbaggage#A

In your case (England), totally 20 kg maximum - no piece restriction.

國泰經濟位寄倉行李限制是20公斤。

寄倉行李only 20公斤