The product is a pack of 10 1/2×15 Bubble Mailers Envelopes with a self-seal design, totaling 5 units. These envelopes are used for packing and shipping, providing a secure and cushioned enclosure for products. The bubble mailers offer protection for items during transit, making them a practical choice for businesses and industrial applications. The self-seal feature adds convenience and ensures the security of the contents inside the envelope.