Jiffy Tuffgard Premium Cushioned Mailers are made from puncture-resistant water-resistant tamper-resistant poly with a clean white textured surface for secure label application. Heat-seal seams will not burst. Mailers have a 3/16" high Barrier Bubble layer for maximum cushioning. Use easy closure to seal. Simply peel away the liner and seal. Mailers are lightweight to save on postage. Water resistant Barrier Bubble lining Moisture- puncture- and rip-resistant Co-extruded heat-sealed seams Self-seal closure with tamper indicator Made in USA
