The ridges at the bottom of our plant saucers raise your plant pots for optimal water drainage that stops the soil from getting waterlogged. This prevents the roots from rotting and allows your plant to soak up water later if needed This deep saucer is designed to catch water， dirt， and debris from your plant pot so you can keep your home and garden clean and tidy! Constructed from a strong， heavy gaged material that wont crack， leak， or break Measuring 10 across at the top and 3.75 high， it is designed with deep gauges to prevent water overflow Clear circular saucer can handle heavy pots without getting crushed Use them indoors or outdoors， season after season Plastic Made in USA Your security is our number one concern