Gardner, 10 oz, crystal clear, leak stopper rubber flexx sealant, flexible rubber sealant & adhesive, use to seal leaks & cracks, tremendous adhesion to most materials, extremely durable, elastic, uv stable, 100 percent waterproof, stops water, moisture & air leaks, use on roofs, gutters, siding, doors, windows, rvs, hvac, pvc, fiberglass, masonry & metal, adheres to wet, damp & dry surfaces, paintable, interior or exterior, coverage approximately 25 linear feet with 3/16″ bead, use between 0 to 110 degrees, works best above 40 degrees.