(12) 20 oz. cans. This patented, water-based formulation is made specifically for upside-down marking on any surface. Will not damage or burn turf or roots. Mark lasts up to two months. May be cut off after the grass has grown out. Safe on grass & synthetic turf. Aervoe Water Based Marking Paint is a highly-pigmented, durable water-based paint designed to mark and adhere to most surfaces. Benefits: This product is a true water-based formula, not “water-added” for cost reduction. It is covered by its own U.S. patent #5,158,609. It will not damage or burn grass roots and provides a lasting line that can be cut off after the grass has grown out. Adhesion to asphalt and concrete is equal to solvent-based formulas once dried. Overspray can be cleaned up in the first 5 minutes with soap and water. After dry, paint is water-resistant. Uniquely formulated, this paint is lead-free, non-clogging, and safer for the environment than solvent-based formulas. This product is classified under the NFPA 30B, Level 1 for warehouse storage.