Prepared mail-tubs/bags shall be picked up at the district mailroom or another designated site if directed by the School District and delivered to the designated locations and exchanged for the prepared tub/bag which will be returned to the district mailroom. Mail-tubs/bags will not contain fragile items, perishables (foods), floral/plant, technology/media equipment, or personal items. No large/heavy boxes or packages should be picked up or delivered in the interschool mail. The average tub weight will be 45 pounds or less. There will, however, be occasional overweight tubs. The district will not be charged for extra trips to and from the delivery vehicle at any one delivery site. Bags and extra packages over 50 pounds will be an additional set charge per location.