三边封包装袋适用的主要产品及特性：食品包装袋、真空包装袋、自立袋、拉链袋、铝箔袋、密封袋、尼龙袋、复合袋、日化袋、面膜包装袋、医疗包装袋、铝塑袋、异形袋、屏蔽袋、电子包装袋等等。三边封复合袋具有良好的阻隔性、防潮性，低热封性好，高透明，亦可彩色印刷颜色为1到10色。常用于日化复合包装袋、工业复合包装袋、豆浆复合包装袋、粉末复合包装袋、五金复合包装袋、电子复合包装袋、医疗器械复合包装袋等各行各业的产品精包装复合袋。
The main products and characteristics of three side seal bags are: food packaging bags, vacuum packaging bags, self-supporting bags, zipper bags, aluminum foil bags, sealed bags, nylon bags, composite bags, daily chemical bags, mask packaging bags, medical packaging bags, aluminum plastic bags, special shaped bags, shielding bags, electronic packaging bags and so on. Trilaterally sealed composite bags have good barrier, moisture resistance, low heat sealing, high transparency, and can also be printed in color of 1 to 10 colors. Usually used in daily chemical composite packaging bags, industrial composite packaging bags, soybean milk composite packaging bags, powder composite packaging bags, metal composite packaging bags, electronic composite packaging bags, medical equipment composite packaging bags and other industries of product precision packaging composite bags.