Introducing the Southworth 18 Count Ivory No.10 RESUMÉ ENVELOPES, made of 100% cotton fiber and weighing 24lb. These envelopes are perfect for business and industrial use, as well as for packing and shipping. The ivory color and No.10 size make them a versatile option for any occasion. With a brand name like Southworth, you can trust that these envelopes are of high quality and made to last. They are not a custom bundle and have not been modified in any way. These envelopes are made in the United States, ensuring that they meet the highest standards of quality and reliability.