Durable Material: Composed of heavy-duty paper with high elasticity, our kraft mailers make the perfect tear-proof envelopes. Also, strong side seams give maximum protection, and the inside lined wall with protruding bubbles to safeguard your shipment Lightweight & Durable: Our bubble mailers are lightweight, but still provide superior protection for your items. Additionally, the smooth outside surface is perfect for handwriting, labeling and stamping Self-Adhesive Closure: Streamline your packing process with the self-adhesive strip closure that is tamper-evident tight. This seal eliminates the need for tape, ensuring a quick packaging experience. Simply peel and seal for a secure closure Size Options: Choose from a range of size options to meet your specific needs. Our pouches are available in various dimensions and can accommodate a variety of items. Select the size that best suits your products and packaging requirements Recyclable Bubble Wrap: The bubble-coated inside of our mailers are made to be recycled. Feel confident in using a packaging that not only prioritizes the safety of your items, but also aligns with sustainable practices AVG Packaging Supplies Kraft Bubble Mailers are made of heavy-duty paper with high elasticity and high tear resistance, designed for packaging products with high demands for strength and durability lightweight, and tear resistant. Fast seal adhesive strip, easily closes, no licking or water needed. Composed with heavy duty paper with high elasticity, and strong side seams that gives maximum protection, the inside lined wall with protruding air-filled hemispheres (bubbles).