Flex Caulk is our latest innovation in caulking technology. It’s a high-performance, hybrid polymer caulk, delivered through our Adjustable Trigger Flow Nozzle™, which eliminates the need for a caulking gun and allows you to control the flow of caulk. Just adjust the flow setting and push the trigger for a perfect bead. And when you stop, it stops. There's no running, no dripping, and no mess. NO CAULK GUN NEEDED – EASY TO USE!• Adjustable Trigger Flow Nozzle™.• Advanced hybrid polymer formulation.• Seals out water, air, and moisture.• Extremely durable and lasts for years.• Fully paintable.• 100% waterproof and weatherproof.• UV, chemical, and mildew resistant.• Adheres to virtually any surface, wet or dry.• Use indoors or outdoors.• Won’t shrink, crack, or become brittle.• “Snap & Save” cap eliminates waste.• Solvent-free and virtually odorless.• Perfect for hard-to-reach areas.• Available in WHITE (9 oz)  and CLEAR (6.6 oz).Excellent for: bathrooms, kitchens, sinks, showers, toilets, backsplashes, countertops, baseboards, moulding, pipes, skylights, windows, doors, auto and boat repairs, and more.