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A �drop box� is an item of Royal Mail street furniture. It is a receptacle where the postman can securely store part of his morning round, at a convenient location. Sometimes, the Royal Mail van may drop off the postman with his bike and morning deliveries, saving him carrying a heavier load or frequent returns to the sorting office.
Originally drop boxes were attached to pillar boxes and, therefore, painted red to match. Nowadays, they are separate free-standing boxes � usually close to a postbox � generally painted grey, although red stand-alone boxes are also to be seen.