The 9.5×12″ RIGID PHOTO MAILERS Pack of 10 is a set of high-quality photo document flat mailers designed for secure and efficient shipping of important documents and photographs. With a dimensions of 9.5″ x 12″, these mailers provide a sturdy and reliable means of transporting sensitive materials. The pack of 10 ensures that you have an ample supply for your shipping needs, making it a practical choice for businesses and individuals looking to protect their valuable documents and photos during transit.