Non-asbestos platinum liner papers are available in 5 width sizes; 2.5”, 3”, 4”, 7.25” and 9”. Are all 75 foot long rolls. Liner papers are used to line the inside of the platinum flask where it helps to absorb the excess binder solution from all platinum investments. Sizes 7.25″ and 9″ are non-stock special order only, please allow extra time for delivery. Made in the USA.  Color may vary from that shown in image.