Each detention center has its own specific delivery regulations and delivery time regulations. You can send clothes, but clothes can't have interlayers, buttons, zippers or metal. It is best to send cotton warm shirts. No more than 65,438+00 clothes can be sent at a time. Only lawyers can meet people suspected of criminal offences, and no one else has the right to meet them. Family and friends can only apply for meeting unless the court decision has been issued and taken effect. The supervision detachment of the Public Security Bureau is in charge of the city's detention centers, public security detention centers, reception and education centers, compulsory isolation drug rehabilitation centers and other functional departments that restrict personal freedom. There are a detention center work guidance unit, a compulsory drug rehabilitation work guidance unit, a political secret unit and a monitoring technology guidance unit.