40 x 23 1/2 x 59 One Piece Surround, fits bathtub part #'s 13-355112232, 13-355112332, 13-355114232, 13-355114332, 13-355161632, 13-355112632, 13-355132232, 13-355132332, fits step tub part #'s 13-355111232, 13-355111332, fits shower pan part #'s 13-355113232, 13-355123232, 13-355123332, available in white or parchment, ships common carrier