Bumper reinforcement

A bumper reinforcement composed of a hollow shape material, comprising:

• a rear wall which faces a vehicle body;
• an upper wall which extends forward from an upper part of the rear wall;
• a lower wall which extends forward from a lower part of the rear wall;
• a front wall which extends forward from the upper wall to the lower wall;
• a partition wall which is located between the rear wall and the front wall and which extends from the upper wall to the lower wall;
• an upper support wall and a lower support wall which are located between the upper wall and the lower wall and are spaced from the upper wall and the lower wall, respectively, and which extend from the rear wall to the partition wall;
• and
• an intermediate support wall which is located between the upper wall and the lower wall and which extends from the front wall to the partition wall, wherein
• an intersection of the partition wall with the upper support wall is located above an intersection of the partition wall with the intermediate support wall, and
• an intersection of the partition wall with the lower support wall is located below the intersection of the partition wall with the intermediate support wall.