[Christmas Poly Mailers]: XCGS Christmas poly mailers with snowman pattern make your package more attractive. Usable Size: 10×13″ Quantity: Pack of 25; Perfect for packaging non-fragile items such as clothes and books. [Tear-proof]: With premium materials, our shipping envelope bags are incredibly tear-proof and partially puncture-resistant, greatly protecting your items in transit. [Strong Adhesion]: Self seal design with strong adhesion makes the poly mailer work very well for your purpose. Not need extra tape to ensure secure seal. Get rid of fear that your items will be lost in transit. [More Solid]: Our shipping bags feature thick material and strong adhesion that enhance strength and prevent edge-tearing. [Waterproof]: Packaging bags with highly waterproof co-extruded composite film effectively avoid contamination influx and liquid exudation. Definitely great for mailing things you don’t want getting wet.