A container or bag, including: a first wall and a second wall, the first wall and the second wall being joined together so as to form a storage volume therebetween and a mouth; a zipper attached to the first wall and second wall, thereby making the mouth reclosable, and defining an interior of the container or bag oriented toward the storage volume and an exterior of the container or bag oriented toward the mouth, the zipper including: a first profile including a first interior flange, a first interlocking element and a first exterior flange; and a second profile including a second interior flange, a second interlocking element wherein the second interior flange is attached to the second wall on an inside of the container or bag; characterized in that the second profile includes a second exterior flange, the second wall extends beyond the second exterior flange, the second exterior flange being unattached to the second bag wall, whereby opening forces applied to the outside of the second wall of the package or bag are transmitted to the second interior flange whereby increased internal opening forces are encountered upon engaging the first exterior flange and the second wall, thereby resisting access to the interior of the bag, wherein the first interlocking element is a male or a female element and the second interlocking element is a female or male element; and wherein the first interior flange is attached to the first wall on an inside of the container or bag; and that the male element includes a shaft element and an arrowhead element, and that the arrowhead includes a first side oriented toward the outside and a second side oriented toward the inside, wherein the second side is more enlarged than the first side, thereby causing inside opening forces to be greater than outside opening forces. a first wall and a second wall, the first wall and the second wall being joined together so as to form a storage volume therebetween and a mouth; a zipper attached to the first wall and second wall, thereby making the mouth reclosable, and defining an interior of the container or bag oriented toward the storage volume and an exterior of the container or bag oriented toward the mouth, the zipper including: a first profile including a first interior flange, a first interlocking element and a first exterior flange; and a second profile including a second interior flange, a second interlocking element a first profile including a first interior flange, a first interlocking element and a first exterior flange; and a second profile including a second interior flange, a second interlocking element wherein the second interior flange is attached to the second wall on an inside of the container or bag; characterized in that the second profile includes a second exterior flange, the second wall extends beyond the second exterior flange, the second exterior flange being unattached to the second bag wall, whereby opening forces applied to the outside of the second wall of the package or bag are transmitted to the second interior flange whereby increased internal opening forces are encountered upon engaging the first exterior flange and the second wall, thereby resisting access to the interior of the bag, wherein the first interlocking element is a male or a female element and the second interlocking element is a female or male element; and wherein the first interior flange is attached to the first wall on an inside of the container or bag; and that the male element includes a shaft element and an arrowhead element, and that the arrowhead includes a first side oriented toward the outside and a second side oriented toward the inside, wherein the second side is more enlarged than the first side, thereby causing inside opening forces to be greater than outside opening forces.