Frame B, 1.8cm thickness, easy style door frame(solid core), easy to install and clean, ... with 0.16mm pvc coation. Model: QIGUAN Frame B, easy style door frame, solid wood inside, 1.8cm thickness, 8mm ... and 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. easy style door frame (Frame B)