Frame A, 2.4cm thickness, normal China door frame style, easy to install and clean, ... 16mm pvc coation. Model: QIGUAN Frame A, traditional China style door frame, adjustable frame ,2.4cm thickness, 8mm MDF ... any surface treatment is unnecessary7.Integrates the door frame with the door leaf perfectly, essy to install8.Moth proofing ... you best products at best prices. China style door frame (Frame A)