These sponges are great if you know how to use them and what ...
These sponges are great if you know how to use them and what to use them for. They are commonly used by conservators all over the country to clean dirt, soot, and mold off books and other artifacts. The sponges do not make the books look perfect but they remove residue that might cause further damage. Additionally, the sponges do not leave behind any residue that could cause damage.
Rating: 5 stars