Price point is one indicator and secondly, buy from a reputable shop. You can also see the leather print. If it is uniform, chances are PU leather. Of course you could cut a piece of the suspected leather from the bottom where the leather is stapled to the frame and buy them with lighter. PU leather will catch fire, genuine leather will not.

how to maintain white leather sofa?is there any special detergent or chemical to clean the leather?one of the shop told me just wipe it with wet cloth only, using just water, no need to use special chemical.. just bought white leather then finally it's difficult to handle it. huhu.. suppose buy black colour..