Offex Mechanics Seat in Black with Red Lid Top Dimensions of the two small trays under the Lid seat are 2"L x 8.5"W x 2.5"D. The dimensions for the trays on the base Front tray is 10 5/8" to 11 1/8"L x 1 1/8 to 2 3/8"W x 1 1/2"D The two side trays are 4 1/2" to 5 1/2"L x 1" to 1 1/2"W x 1 1/2"D corners length and width are curvy Weight capacity is 576 Lbs Made in USA