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A PRE-FOLDED CARDBOARD, PAPER OR PLASTIC WITH OPENING THROUGH THROUGH HANDLES, HANDLES OF A PAPER OR PLASTIC MESSAGE BAG IS PULLED SO THAT THE BAG IS CLOSED. THE VALVE CAN BE PRINTED ON THE INSIDE AND THE OUTSIDE.
A PRE-FOLDED CARDBOARD, PAPER OR PLASTIC WITH OPENING THROUGH THROUGH HANDLES, HANDLES OF A PAPER OR PLASTIC MESSAGE BAG IS PULLED SO THAT THE BAG IS CLOSED. THE VALVE CAN BE PRINTED ON THE INSIDE AND THE OUTSIDE.
