36 x 23 3/4 x 59 One Piece Surround, value line surround, fits bathtub part #'s 13-354712232, 13-354712332, 13-354712632, 13-354761632, 13-354724332, fits step tub part #'s 13-354711232, 13-354711332, fits shower pan part #'s 13-3564724332, 13-354723232, 13-354723332, 13-354724232, available in white or parchment.