{"product_id":"spirit-of-petroleum","title":"Spirit of Petroleum","description":"\u003cspan\u003eAn extract of resin from pine trees that is most effective in thinning colors and providing a smoothness in application similar to watercolor painting. A volatile medium that leaves no residue behind and imparts a dull matte finish. Also ideal for all work from rough sketch and underpainting to finished professional painting.\u003c\/span\u003e","brand":"HOLBEIN","offers":[{"title":"Default Title","offer_id":47854657962264,"sku":null,"price":9.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/fineartsupplyastoria.com\/products\/spirit-of-petroleum","provider":"Fine Art Supply","version":"1.0","type":"link"}