Valuables are held in the lost and found at the MIT Police for at least 30 days. If you lose something around a residence hall, check the desk. Items lost in the Student Center, Kresge or Chapel are kept in Campus Activities Complex (W20-500) for two weeks before being sent to the MIT Police. Please report lost items at https://police.mit.edu/lost-and-found. Athletics and libraries hold lost items for a long time before sending them to the MIT Police.