PUL       
noun [ U ] uk/ˌpiː.juːˈel/ us/ˌpiː.juːˈel/ (also PUL fabric)
 聚氨酯涂层(polyurethane laminate 的缩写)
short for polyurethane laminate: a type of material covered in a thin layer of plastic
  PUL is very quick-drying. PUL干得很快。 
 I made some nappy covers from PUL fabric I bought online. 我用在网上买的PUL材料做了一些尿布套。 
 - More examples
 - Standard PUL is normally a good choice.
 - PUL fabric can be used to make mattress covers.
 - You can get sandwich PUL, which has three layers.