These lightweight papers are suitable for interleaving, wrapping, paper repair and more. Many storage materials are often described as "buffered." This means they have an alkaline substance (usually calcium carbonate) added to buffer or counteract acids that may form in the material in the future. Not sure if you should be using Buffered or Unbuffered wrapping materials? Check out or online resource here. It's important to note that buffering agents don't migrate, and a buffered box can be used if an unbuffered layer such as unbuffered tissue paper or mylar film surrounds the object. Follow this link for a more in depth collection of Wrapping and Interleaving materials.