Projects can become damaged from the elements. Fusion I.A. Series Pro-grade Exterior UV Varnish is an all-acrylic, clear, superior performance coating offering excellent exterior durability that resists cracking, peeling and blistering. The weatherproofing formula protects your project from damaging UV rays while providing a high degree of water resistance and long term sealing protection. Can also be used to refresh previously stained wood without darkening. During use, ensure adequate ventilation. Even though the product is non-toxic, it should be kept out of the reach of children.