Odorless Thinner makes the whole brush cleaning process a pleasure. It never wears out. Allow it to settle for a few days, and then reuse. For use with the Bob Ross Wet-on-Wet Technique(R). This package contains 32oz bottle of odorless thinner. DANGER: Combustible. Harmful or fatal if swallowed. Vapor Harmful. Skin Irritant. Contains: Petoleum Distillates. KEEP OUT OF REACH OF CHILDREN. Conforms to ASTM D4236. Made in USA.