1.性价比高，用料少、生产工艺简单，包装成本低廉 2.版型轻薄平整，贴合产品，不占仓储与运输空间 3.适配多种工艺：真空、高阻隔、蒸煮、镭射防伪、洗铝印刷 4.尺寸灵活，从小样试用装到中小型食品分装都可定制 5.封口密封性强，防潮避光，保鲜效果好 适用范围广：面膜、调料包、肉制品、零食、日化小样等

Three-side seal bags are basic laminated flexible pouches sealed on three sides with one open edge for filling. Flat and cost-effective. Available in vacuum, high-barrier, retort, aluminum-washed and laser anti-counterfeit versions, widely used for snacks, seasonings, facial masks, daily chemical sachets and meat food.