iSOUL Premium Postage Bags are designed to provide secure and convenient packaging for all your shipping needs, Made from high-quality materials Mailing Postage Bags come in a variety of sizes to accommodate all your Shipping Requirements. Our Mailing bags feature a self-sealing adhesive strip, making it easy to seal and secure your packages without the need for additional tapes or adhesives. The adhesive strip also provides tamper-evident security, giving you peace of mind that your items are protected throughout the shipping process.