A zipper arrangement comprising a zipper seal and a zipper, the zipper seal providing a barrier against the passage of bugs or particles therethrough configured for being adapted to a zipper provided for closing a linear opening of a flexible sheet material provided with a front face and a rear face, said zipper being provided with two ends and a slider coupled to said zipper for opening and closing same by means of sliding the slider from one end, where a maximum open position of the zipper is defined, to the other end of the zipper, where a maximum closed position of the zipper is defined; said zipper seal including: • a front sealing element arranged coinciding with the maximum closed position of the zipper on the front face of the flexible sheet material; said front sealing element having a housing wall providing a sealed attachment with the sheet material around the maximum closed position except in the direction in which the zipper extends, and defining a hollow housing around said maximum closed position communicating with the outside through an opening of the housing wall provided in the direction in which the zipper extends,; • a rear element arranged on the rear face of the sheet material; characterized in that • said opening and said hollow housing are both complementary to the shape of the slider; • said housing wall is made of a flexible material, said housing wall being tightly coupled by elastic deformation to the outer surface of said slider when said slider is inside said hollow housing in the maximum closed position, preventing the passage of bugs or particles between the mentioned housing wall and said outer surface of the slider, and said elastic deformation provides mechanical resistance against opening the zipper; • said housing wall has a flexible perimetral front flap extending around same except in the direction in which the zipper extends, the mentioned perimetral front flap being approximately parallel to the sheet material; and in that • said rear element is a rear sealing element made of a flexible material arranged coinciding with the maximum closed position of the zipper on the rear face of the sheet material, and coinciding with the position of the hollow housing, providing a tight attachment with the rear face in the maximum closed position and pressing the slider arranged in the maximum closed position against the front sealing element, said rear sealing element being provided with a flexible rear flap extending around same in all directions, the mentioned rear flap being approximately parallel to the sheet material. • a front sealing element arranged coinciding with the maximum closed position of the zipper on the front face of the flexible sheet material; said front sealing element having a housing wall providing a sealed attachment with the sheet material around the maximum closed position except in the direction in which the zipper extends, and defining a hollow housing around said maximum closed position communicating with the outside through an opening of the housing wall provided in the direction in which the zipper extends,; • a rear element arranged on the rear face of the sheet material; • said opening and said hollow housing are both complementary to the shape of the slider; • said housing wall is made of a flexible material, said housing wall being tightly coupled by elastic deformation to the outer surface of said slider when said slider is inside said hollow housing in the maximum closed position, preventing the passage of bugs or particles between the mentioned housing wall and said outer surface of the slider, and said elastic deformation provides mechanical resistance against opening the zipper; • said housing wall has a flexible perimetral front flap extending around same except in the direction in which the zipper extends, the mentioned perimetral front flap being approximately parallel to the sheet material; and in that • said rear element is a rear sealing element made of a flexible material arranged coinciding with the maximum closed position of the zipper on the rear face of the sheet material, and coinciding with the position of the hollow housing, providing a tight attachment with the rear face in the maximum closed position and pressing the slider arranged in the maximum closed position against the front sealing element, said rear sealing element being provided with a flexible rear flap extending around same in all directions, the mentioned rear flap being approximately parallel to the sheet material.