Zeal X Pe Mailing Bags construction is robust, made of high-quality PE material, with excellent tear resistance, so that they are not easily punctured and damaged. The reinforced seal on the edge of the mailer bags makes it tear resistant and waterproof, whether in fog or rain, it also ensures that your package reaches its destination safely. The mailing envelope is equipped with a super adhesive self-sealing strip, which is strong and sticky, so that the package will not be opened when there is no trace, preventing your items from being secretly changed during transportation. It only needs to be simply peeled and folded to completely seal the package, making each package safe and secure. The colorful pouch makes it unique, adding more color to the dreary moments of shipping and life. You can choose to customize the packages with unique attractive colors to help them stand out and your dear customers find them easily.