Bickmore Kahl Hat Stiffener gently stiffens felt hats without harming the texture or  natural colors, unlike many other hat stiffeners. Versatile enough to use on any quality of hat without affecting shaping and/or cleaning at a later date. Will not leave chemical residue when applied to a hat. Environmentally friendly and will not harm felt or fabric. Shipment via air not available.

8 FL OZ Bottle