Pro Armor K154065BL Under Seat Lockable Storage 0.1 in. aluminum for lightweight, durable storage Rubber sealed to keep items dry and out of the elements Locking lid for security and peace of mind Fits under the seat with some spare room on either side of the storage box Bolted down for easy installation and no box movement Outside Diameter :- 27.7 X 13.125 X 11.5 Inches, Inside Diameter 27.5 X 13 X 10 Inches