Dynaflex 230, 5.5 oz, clear, advanced indoor/outdoor premium latex sealant, waterproof & paintable, combines outstanding durability, adhesion & flexibility with easy tooling, low odor & easy water clean up, provides a permanently flexible, crack proof seal that is ideal for sealing out water & air leaks to improve the energy efficiency of a home, also seals out insects from entering through small gaps & cracks, mold & mildew resistant, seal around windows, doors, siding, trim, molding & baseboards, exceeds federal specification tt-s-00230c, type ii, class a & astm specification c920, class 25.