A courier is a parcel box for express delivery. After express delivery to the community, if there is express delivery equipment in the community, the courier will store the parcel in the express cabinet, and the equipment will automatically send a claim code to your mobile phone, enter the claim code, and the corresponding door will open. This is your parcel. It is equivalent to a parcel storage box in the supermarket. Express delivery will store the parcel for 48 hours free of charge, and after 48 hours, a storage fee of 1 yuan will be charged every day.