Kampel ColorFlex for corner and perimeter caulking. After the component (counter, vanity, bath surround, etc.) is installed, and the laminate seams have been filled with SeamFil, ColorFlex is used to seal the inside corners and the perimeter of the component. Where flexibility is needed, ColorFlex is perfect for filling gaps and sealing where the components meets the walls, floors, cabinets, tile or insets. Comes in 4 oz. squeeze tubes.