All round water seal ensures safe and dry storage. This box is constructed of structural foam for extra strength and has extra large storage capacity. The portable tote tray is designed to carry tools and small parts, yet enables large tool storage inside the tool box as it is 3/4 length. An integrated V-groove on top of the lid enables sawing when needed, and is also suitable for working with pipes and lumber. The tough ergonomic soft-grip handle allows heavy loads to be carried with ease. Large metal rust proof latches for secure closing.