Set of sleeve pocket Jowarel polypropylene 55 micron 10 pockets - A4 An ingenious system of Display books with refillable sleeve pockets. Set of sleeve pockets welded together by a punched soft strip giving two ways of filing: in all ring binders or lever arch files due to 9 hole punching or in Jowarel sleeve binders. An ingenious system of Display books with refillable sleeve pockets. Set of sleeve pockets welded together by a punched soft strip giving two ways of filing: in all ring binders or lever arch files due to 9 hole punching or in Jowarel sleeve binders. Set of sleeve pocket Jowarel polypropylene 55 micron 10 pockets A4 in size and can hold A4 documents.