Environmentally friendly shipping labels offer a face sheet that is made using 100 percent recycled postconsumer fiber and is processed chlorinefree (PCF). The adhesive meets the USPS specification USPS21238 so it can be safely recycled. Highquality, bright white, printer labels are both acidfree and ligninfree, making them safe for archiving. Labels will not yellow. Labels are compatible with both desktop laser and inkjet printers. Product packaging is made using 100 percent postconsumer material.