material:HDPE thickness:30micron feature:moisture proof,punch handle suface handing:gravure advantage:convenient for shoppin ... :biodegradable pp(LDPE or HDPE)sealing and handle:shoulder length handle,vest handle,self-adhesive surface handling:embossing,gravure printing ... and so onstyle:handle style,die-cut,punch style with perforation or notadvantage:biodegradable,moisture proof,the real environment ...