Patent ID: 8075187

Claim:
A closure kit comprising two complementary elements ( 200 , 250 ) capable of being successively engaged and separated, and a cursor ( 100 ) comprising a base ( 110 ), two side plates ( 120 , 130 ), a central wall ( 140 ) and a sole ( 142 ) connected to the central wall ( 140 ), characterized in that at least one of the two elements ( 200 , 250 ) has a structure ( 210 , 260 ) facing the sole that is concave toward the inside of a bag using the closure kit for forming a covering stop for the sole ( 242 ) in order to prevent the cursor ( 100 ) being pulled off under the effect of a tearing action, said covering stop and said sole having complementary shapes, wherein the base ( 110 ) and the two side plates ( 120 , 130 ) define a recess wherein the sole ( 142 ) and the central wall ( 140 ) are arranged such that the sole ( 142 ) and the central wall ( 140 ) are completely covered by the base ( 110 ) and the two side plates ( 120 , 130 ).