Shell large, inflated, light in weight. Spire low, sutures weakly channelled. Sculptured with 20-25 primary spiral ribs, those below shoulder with three secondary threads in each interspace. Axial sculpture of dense threads, weaker than primary spirals in strength. Outer lip thin, smooth internally; columella smooth. Color: fawn, irregularly marked with brown; usually with five lighter spiral bands with squarish brown patches. Size: : Average shell length, average shell width, average aperture length, average aperture width is respectively 85mm, 50mm, 80 mm, 27mm.