Alex flex, 10.1 oz. white, premium molding & trim sealant, specifically formulated for difficult interior molding & trim projects, paintable in 30 minutes, crack proof, maximum flexibility & adhesion, won’t shine through paint, cured sealant is mold resistant, ideal for natural & newer synthetic materials pvc, polystyrene, & composite, easy soap & water clean up, meets astm c920 class 12.5.