Saucers are used to help your plant's roots get much needed airflow to help promote good health! These strong， durable， plastic saucers are sure to help your plants get the air they need! Use in your indoor or outdoor garden， these saucers are sure to please with their stunning colors! Rugged polyethylene won't chip， crack， fade or leak like thin plastic or vinyl saucers Ribbed bottom provides critical airflow for healthy root aeration Thick resin construction with anti-fade Polypropylene Made in USA Your security is our number one concern