QTY: 50 10”x13” Christmas Holiday Red & White Poly Mailer Bag Shipping Envelope 2mil Gift Cluster design From manufacturer: Durable 2 mil poly material for resisting tears, punctures, and damages. Hassle-free, self-sealing adhesive. Lightweight mailers for economical postage. Excellent proficiency mailers are perfect for shipping a wide variety of non-fragile items Made from heavy-duty polyethylene plastic, these poly mailers will protect your merchandise from tears, rips, and punctures, as well as keep out dirt, liquid, and dust. And thanks to the self-adhesive seal strip, the packaging is faster and easier than ever. Peel the protective paper off the adhesive and fold the flap over to create a high-strength closure. lower shipping costs than traditional cardboard packaging. The lightweight design makes for more economical postage.