The Sealed Air Jiffylite Padded Self-Seal Mailer #7 is a high-quality product made in the United States. This model, SEL64542, offers a convenient and secure shipping option with its self-seal design. The mailer is 14.25″x20″ in size and comes with 49 pieces (1 missing from original 50 pack )making it ideal for businesses and individuals needing to ship items securely. The brand, Sealed Air, ensures reliability and durability in the packaging and shipping process.