... packing material 1,100% dupont paper 2,One face with hot melt glue 3,Printable and durable 4,in rolls or sheet Tyvek ... face coated with hot melt glue,the other face smooth and printable,with temperature and pressure,glue will melt,paper will stick on object surfaceFeaturesbreathable,strong ... printing etc. Coated Tyvek medical packing material with water-base glue