Zeal X Eco Friendly Mailer Bag use of environmentally friendly Tape to protect the privacy of customers' packages;Waterproof seal reinforcement, so that the package is no longer afraid of rainy days; Hot pressing edge seal to prevent edge explosion.Over 10+ years experience and innovative approach, our products are exported to United States, United Kingdom, France, Germany, Denmark, Australia, Japan and other countries across the world.Our factories are approved by ISO 9001, ISO 14001, our products are certified with GRS, FSC, REACH, BHT, etc.