This lot of 5 8.5×12 Kraft Bubble Padded Envelopes Mailers is a great addition to your packaging supplies. The envelopes are unopened and sealed, ensuring that your items will be safe and secure during transport. The brand is well-known for its quality and durability, making it a reliable choice for any business or personal mailing needs. The unit type is a standard size and the country/region of manufacture is unknown, but the important thing is that these envelopes are perfect for protecting your items and getting them to their destination.