Product Information: Individually Sealed and Clean The syringes can be used many time if you wash them after every use. Multiple Uses Perfect for watering and feeding your house plants. This practical syringe is suitable for water plant food (liquid) plant nutrient etc. Transparent Barrel with Clear Graduation Marks Clear gradations marks and well-printed the black measurement markings on the side are easier to read. Rigid Push Rod with Latex Piston Covered with medical silicone oil as lubricant the piston works smoothly while keeping a tight seal. Notes: Only useful for industrial use and feeding of animals. Each syringe is individually sealed clean and sterile.