Plasti-Folio Plastic Flip Folio Flip Folio - 8 window Plastic band Folio, also known as a flip folder Keep your pep band music sheets safe from the elements and easier to flip through with this plastic flip folio This is a single plastic sleeve with one side open for inserting your sheet music and two holes for attaching to the rings on your sheet music holder Keep your pep band music sheets safe from the elements and easier to flip through with this plastic flip folio This is a single plastic sleeve with one side open for inserting your sheet music and two holes for attaching to the rings on your sheet music holder