The product is a set of 30 large Christmas poly bubble mailers, each measuring 10 x 13 inches. These padded envelopes feature a festive Santa Claus design and are made of plastic and polyethylene material. The mailers have a self-seal closure for secure shipping. With a total package dimension of 16.81×16.77×8.5 inches and a weight of 1.15 pounds, these mailers are perfect for sending holiday greetings or shipping packages during the festive season.