Keep your products safe during shipping with these Cool Shield Thermal Bubble Mailers from uline. With a case of 50 S-9909 mailers, you can ensure that your products arrive at their destination without damage. The 12 x 17 inch mailers are perfect for a variety of items and the thermal bubble layer provides extra protection against temperature changes. These mailers are ideal for business and industrial use and are part of the packing and shipping category. The uline brand is known for its quality products and these Cool Shield Thermal Bubble Mailers are no exception. Purchase a unit of 50 today to keep your products protected during shipping.