Storage compartment for a refrigerator door

A refrigerator door comprising:

• a storage compartment connected to the refrigerator door and including a first longitudinal wall disposed adjacent to the refrigerator door, a second longitudinal wall spaced apart from the first longitudinal wall and extending substantially parallel to the first longitudinal wall, and a slot formed in the first longitudinal wall, the storage compartment having a width dimension extending along the first longitudinal wall in a substantially horizontal direction, a depth dimension extending between the first and second longitudinal walls, and a height dimension extending along the first longitudinal wall in a substantially vertical direction;
• a compartment divider including a rider forming a substantially flat hook portion, the rider engaging the slot and restricting movement of the compartment divider with respect to the storage compartment along the width dimension
• wherein the rider includes multiple ribs extending in a substantially vertical direction and the slot includes multiple grooves formed within the first longitudinal wall and extending in a substantially vertical direction, the multiple ribs engaging the multiple grooves to restrict movement of the compartment divider with respect to the storage compartment along the width dimension;
• and
• wherein the compartment divider includes a first short sidewall disposed adjacent the first longitudinal wall and connected to the rider, a second short sidewall spaced apart from the first short sidewall, and two long sidewalls extending between the first and second short sidewalls on opposing sides of the compartment divider, the compartment divider defining a chamber formed within the first and second short sidewalls and two long sidewalls for receiving items.