Professional black landscaping gun foam sealant. Excellent for outdoor use, safe for plants and fish. Excellent for ponds, waterfalls and securing landscape blocks. Black foam wont discolor and blends into shadows. Allows precision controlled bead size, and easy, comfortable dispensing for large projects. Formulated to retain its dispensed color and blend naturally into the surrounding landscape. Requires applicator gun and cleaner. 24 Ounce Size.