The product is a pack of 500 A2 invitation announcement envelopes, measuring 4 3/8″ x 5 3/4″. It is from the brand Veritiv, known for its quality and reliability in business and industrial materials. The product offers free freight, making it a convenient and cost-effective option for businesses or individuals needing to send out numerous invitations or announcements. With a sturdy 24# weight, these envelopes are durable and perfect for shipping and mailing purposes.