Touch n Foam Landscape Filler-Adhesive is a black coloured foam formulated to retain its dispensed colour and blend naturally into the surrounding landscape, even when exposed to direct sunlight. It bonds quickly to porous or non-porous rock, stone, cement, wood and cloth and is ideal for replacing loose mortar in rock walls. Touch n Foam Landscape can also be used to direct water flow in pond or waterfall applications and it's safe for use around fish or plants. - Touch n Foam Landscape 340g comes complete with a reusable foam saver straw nozzle. - Touch n Foam Landscape 680g requires the reusable Applicator Gun (sold separately). Ideal for ponds and waterfalls Bonds with rock, stone, wood and most pond materials Black foam blends into shadows Won't discolor like conventional foam - no painting needed Expands to fill gaps and voids Easier and less expensive than mortar Superior adhesion Requires Applicator Gun (sold separately)