The product is a case of 50 7×5 inch poly bubble mailers, designed for packing and shipping materials. These mailers are ideal for protecting and sending small items, such as documents, small gifts, or jewelry. The poly material provides durability and cushioning to ensure items are well-protected during transit. The 7×5 inch size is convenient for various shipping needs, making it a versatile choice for businesses and individuals needing to send small packages.