Dee Zee DZ77 Brite-Tread Aluminum Underbed Tool Box Non-Rusting 0.090 Brite-Tread Aluminum Lockable Stainless Steel T-Handle Latches Drop Down Doors For Easy Access (Safety Chains for Support) Water Resistant C-Channel And Bulb Seal To Help Keep The Elements Out L: 36" x W: 20" x H: 18" and Vol: 7 cu. ft.