Item No. 109015 4 LAYERS� including : 4th layer:� 30g� melt-blown 3th� layer:� 30g� melt-blown 2th layer:� 100g melt-blown Outer layer: 30g PP Package: 20pcs/color box; color box size:14*13*20cm 12boxes/carton;carton size:40.64*29*41.91cm 20GP: 560 CTNS 40GP:1160 CTNS 40HQ: 1392 CTNS