This product can be used for golf courses， parks， cemeteries， athletic fields， and any other turf or grass areas. Anywhere that spray evidence is needed， Mark-It Blue can be used. By utilizing the Mark-It Blue， you will be able to avoid overlapping sprays as well as ensure that you have applied the chemical to all desired areas. It works great with Roundup or Remuda， fertilizers， pesticides， and herbicides. The blue color of the product breaks down with exposure to heat and sunlight. The more sunlight and heat， the faster the breakdown. Depending on usage， apply as a foliar spray， soil drench， or soil incorporation. Mark-It Blue is an indicator that will not permanently stain foliage or skin， but if it is spilled on fabric， it should be washed off before it has a chance to dry. Plastic Made in USA Your security is our number one concern