The product is Formby's Hand Rubbed Wiping Stain in Walnut color, ideal for wood surfaces. This 8 fl oz liquid stain is transparent in nature and suitable for use with a cloth for easy application. Made in the United States, this  old stock item is ready to provide a beautiful finish to any wooden project.

Opened. Since the bottle was originally 8 fl oz of product, it appears to have a substantial amount remaining, although we can't calculate the exact percentage without knowing the empty bottle weight.