PURPOSE: To provide a weather strip to eliminate growth of seams on the inner peripheral side of a corner part, to hold a proper door closing property and to prevent floating of a door at the time of closing the door.

CONSTITUTION: A corner part R is formed by curving an extrusion molded article, a columnar pad 40 is inserted into a hollow seal part 32 of the corner part R and a plural number of outside cutouts 45 are provided in a direction orthogonal with a neutral surface M-M of the pad 40 and on a curved outer peripheral side Q on a weather strip having the hollow seal part 32 to make elastically contact with an inner panel of a door by installing it on a body panel opening periphery of an automobile.