A slide fastener, including: a first element row fixed to one side edge of a fastener tape in a first fastener stringer; a second element row fixed to one side edge of a second fastener stringer; and a slider including an element guide passage that allows the first element row and the second element row arranged to face each other to pass through and performs engaging and disengaging, wherein in a case where one surface of a direction vertical to fastener tape surfaces of the first and second fastener stringers (16, 17) is defined as a front surface, and another surface is defined as a back surface, elements of the first element row and the second element row include - element body portions (12B, 13B) from which a pair of front and back fixing leg portions (12U, 12V, 13U, 13V) fixed to the fastener stringers (16, 17) are extended, - engagement neck portions (12N, 13N) that extend toward opposing elements (12, 13) row sides from the element body portions (12B, 13B), - engagement head portions (12H, 13H) that are swollen toward forefronts further from the engagement neck portions (12N, 13N), - front latch portions (12D, 13D) that extend toward opposing elements (12, 13) row sides from front surface sides of the element body portions (12B, 13B), - back latch portions (12R, 13R) formed on front surface sides in the engagement neck portions (12N, 13N) or the engagement head portions (12H, 13H), said front and back latch portions (12D, 13D; 12R, 13R) are engaging members that are engaged with the back and front latch portions (12R, 13R; 12D, 13D), respectively, formed in the opposing two elements (12, 13) in an engaging state, wherein front surface sides of the first element row and the second element row have a rectangular shape, and the forefronts of first extension lengths of the front latch portions of the first elements and the forefronts of second extension lengths of the front latch portions of the second elements are between a straight line that connects forefronts of the engagement head portions in the first element row and a straight line that connects forefronts of the engagement head portions in the second element row, characterized in that the width of front decoration surfaces (12F, 13F) of first and second elements (12, 13) is greater than the maximum width of the engagement head portions (12H, 13H). a first element row fixed to one side edge of a fastener tape in a first fastener stringer; a second element row fixed to one side edge of a second fastener stringer; and a slider including an element guide passage that allows the first element row and the second element row arranged to face each other to pass through and performs engaging and disengaging, in a case where one surface of a direction vertical to fastener tape surfaces of the first and second fastener stringers (16, 17) is defined as a front surface, and another surface is defined as a back surface, elements of the first element row and the second element row include - element body portions (12B, 13B) from which a pair of front and back fixing leg portions (12U, 12V, 13U, 13V) fixed to the fastener stringers (16, 17) are extended, - engagement neck portions (12N, 13N) that extend toward opposing elements (12, 13) row sides from the element body portions (12B, 13B), - engagement head portions (12H, 13H) that are swollen toward forefronts further from the engagement neck portions (12N, 13N), - front latch portions (12D, 13D) that extend toward opposing elements (12, 13) row sides from front surface sides of the element body portions (12B, 13B), - back latch portions (12R, 13R) formed on front surface sides in the engagement neck portions (12N, 13N) or the engagement head portions (12H, 13H), - element body portions (12B, 13B) from which a pair of front and back fixing leg portions (12U, 12V, 13U, 13V) fixed to the fastener stringers (16, 17) are extended, - engagement neck portions (12N, 13N) that extend toward opposing elements (12, 13) row sides from the element body portions (12B, 13B), - engagement head portions (12H, 13H) that are swollen toward forefronts further from the engagement neck portions (12N, 13N), - front latch portions (12D, 13D) that extend toward opposing elements (12, 13) row sides from front surface sides of the element body portions (12B, 13B), - back latch portions (12R, 13R) formed on front surface sides in the engagement neck portions (12N, 13N) or the engagement head portions (12H, 13H), said front and back latch portions (12D, 13D; 12R, 13R) are engaging members that are engaged with the back and front latch portions (12R, 13R; 12D, 13D), respectively, formed in the opposing two elements (12, 13) in an engaging state, wherein front surface sides of the first element row and the second element row have a rectangular shape, and the forefronts of first extension lengths of the front latch portions of the first elements and the forefronts of second extension lengths of the front latch portions of the second elements are between a straight line that connects forefronts of the engagement head portions in the first element row and a straight line that connects forefronts of the engagement head portions in the second element row, characterized in that the width of front decoration surfaces (12F, 13F) of first and second elements (12, 13) is greater than the maximum width of the engagement head portions (12H, 13H).