The Zeal X Christmas mailer bag is made of thick, durable, tear resistant, 100&% recyclable LDPE material, and the edge is hot-pressed to prevent cracking. Lightweight materials keep shipping costs at historically low levels, and are water and oil resistant, protecting your product from getting to its destination safely. The sealant of the mail bag is disposable, environmentally friendly, very easy to operate, only need to privately anti-stick strips, pasted on; Easy-to-pack self-sealing strips provide a high-strength, durable closure, making them resistant to water and tear. With pure black lining, the privacy of the interior items is guaranteed to protect the privacy of the customer. Bring out the holiday colors with these colorful printed Christmas mailings; These "Merry Christmas" bags add a personal touch to your packaging, congratulating the recipient of a happy holiday even before they see what's inside.