1.face/back pape: various materials are available, water/hotmelt base bule 2.plain back or slit back 3.permanet/removable Products and Application:1. Standing self-adhesive papersFace paper: high cast coated paper, art paper, wood free paperBack paper: white/yellow release paper, glassine paper, PE kraft paperApplication: office labels, bar code labels, colour printing self adhesive paper, ...