Abstract: A container of adjustable width including a base, a back, a front edge and two side walls, the container being characterized in that it is formed by two elements (1, 2) each including a side wall (3, 13) bounded by the back (4, 14) and a base part, the back parts (4, 14) and the base parts (5, 15) of the two elements (1, 2) overlapping each other to enable the width (L) of the container to be adjusted by the movement of the two elements (1, 2) towards or away from each other.