Unassembled UN5MR without steel pail. Unassembled kit includes pads, bags, ties, tape and fiberboard box: (O.D.) 12 5/8"W x 12 5/8"D x 15 1/2"H. When ordering this package without pail, you must use a 24-gauge, closed head steel pail with 3/4" bung to meet our specifications. UN Marking 4G/X32.7/S.