1046P Plastic Towable Mail Hamper Cart. DIMENSIONS: 48"L x 31-3/4"W x 37"H. Use the same truck as the U.S. Postal Service for moving your parcels and mail. Manufactured from high-density polyethylene, a rugged steel frame, heavy-duty 4" x 1-1/2" casters and stitched black nylon webbing, this Mail and Parcel Truck can withstand abuse. Frame features tow tubes to allow Mail and Parcel Trucks to be pulled in a "train" by powered equipment. Mail and Parcel Trucks work with most standard automation unloading equipment. Netting on both sides can be detached for easier access to contents.