I used 尿布 when my baby was 1 month old. Since I breast feed my baby until she is 2.5 month old, my baby XX a lot, so we used 尿布 to make her comfortable. You can go to 荷花, there are two types, one from Taiwan/PRC and the other from England. Big difference in price. The Taiwan/PRC one is very cheap and the England one is more more experience. I used the cheap one, since we used it for only one month, the cheap one is ok. I suggest you to buy the cheap one first to try.