Dimensions are laid out as follows Base x Top x Slope.
12" Straight Oval - 12 x 7¼ x 8,
15" Straight Oval - 15 x 9 x 9.25”, 16" Straight Oval - 16 x 10 x 9½, 18" Straight Oval - 18 x 11 x 10½" 20" Straight Oval - 20 x 12 x 11, 22" Straight Oval - 22 x 14 x 13