The product is a 50 pack of white bubble mailers measuring 6×9 inches, with a usable size of 5×8 inches. Made in the USA, these envelope shipping mailers are perfect for packing and shipping items. The bubble design provides added protection for the contents, making them ideal for a variety of shipping needs. Each unit is designed to be lightweight and easy to send through the mail, ensuring the safety and security of your items during transportation.