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.