The product is a set of 50 gold bubble mailer shipping envelopes by Uline, featuring a self-seal design. Each envelope measures 4×8 inches, making them suitable for various shipping needs. These mailers are ideal for businesses involved in packaging and shipping, as they provide a secure and visually appealing option for sending items through the mail. The Uline brand ensures quality and reliability in the packaging industry, making these envelopes a practical choice for everyday use.