WangYuan packaging adheres to the business policy of "creating quality with integrity, leading the future with innovation" and advocates the development concept of "green biodegradable packaging". Wang Yuam Package company is a strength production source manufacturer in China. It is a company integrating R&D, production and sales of packaging. It mainly produces poly mailer bags, bubble envelope mailer bags, Biodegradable Compostable packaging bag, zipper bags and other packaging products.As a professional mailing bags supplier, we have excellent teams who focus on product development & design, quality control & inspection and company running.All goods Moisture resistant & durable with exceptional puncture resistance and tear strengthSelf-seal adhesive closure is tamper evident & will not re-open once it has been pressed closed Labels & self stick stamps adhere securely and easily.Waterproof