Jiffy Padded Self-Seal Mailers are rugged, all-purpose mailers that have been the industry standard for over 50 years. The mailer's macerated paper padding expands during use, providing protection throughout shipping cycle. A smooth inner liner and pre-scored flap provide easy product insertion and efficient closure. Convenient tear tape allows for quick and easy opening. Contains 100% recycled paper fibers, and can be recycled with mixed paper products. This product is SFI Certified.