The product is a set of 30 legal mailing envelopes from the brand Mead. These #10 size envelopes measure 4-1/8 inches in length and 9-1/2 inches in width, making them ideal for business shipping. The envelopes are designed with a press seal that does not require licking, ensuring a secure and convenient mailing experience. Perfect for small businesses looking to securely send documents and materials through the mail.