Weighing just 7 pounds, this Tundra Storage Unit consists of Textured durable plastic made out of .187 Thick ABS material. Each compartment measures 4 1/4" deep and the back seat folds over acting as a lid with no interior noise. Installation is quick and sits firmly in place surrounded with the existing foam. 3 Separate Compartments: 2 Outside Compartments each measuring 10 1/8" X 9 7/8" 1 Middle compartment measuring 10 1/8" X 13 7/8" All measuring 4 1/4" deep Requires cutting OE carpet and foam under the rear seat. The kit comes complete with a template.