36 x 24 x 56 One Piece Surround, fits bathtub part #'s 13-354712232, 13-35472332, 13-354761632, 13-354712632, fits step tub part #'s 13-354711232, 13-354711332, 13-354724332, fits shower pan part #'s 13-354724332, 13-354723232, 13-354723332, 13-354724232, available in white or parchment.