Plano has always been in the business of keeping your outdoor gear safe, secure and organized. This 111 Quart storage trunk features molded grooves on the top and bottom so that multiple units will "key" together as well as a reinforced removable lid and tie downs on the side. This storage tub is also lockable. Improved Wheels for Smooth Transport No O-Ring Molded Grooves for Sturdy Stacking Lockable Reinforced Removable Lid Black Exterior 37.75" x 14" x 18.25" Interior 34.75" x 13.5" x 16