PU leather, or polyurethane leather, is an artificial leather made of thermoplastic polymer used for making furniture or shoes. 100% PU leather is completely artificial and is considered vegan. There are some types of PU leather called bicast leather that have actual leather but has a polyurethane coating on top. This type of PU leather takes the fibrous part of cowhide that are leftover from making genuine leather and put a layer of polyurethane on top of it.
PU leather also goes by a few names. Whether you are looking for artificial leather or looking to avoid it, it is best to know the many names that make up artificial leather. When looking at tags, artificial leather can be called:
PU Leather
Bicast Leather
Split Leather
Bonded Leather
Reconstituted Leather
Corrected Grain Leather