Double cover, DIN A4, PP 75my, one pocket on the left and right, open at the top, crystal clear

Double cover, DIN A4, PP film 75my, document-safe, one pocket on the left and right, open at the top, for 2-4 sheets in DIN A4 format per pocket, for extending / supplementing springback binders or clamp rails, with center seam for flat laying, crystal clear