Breathable Material - The 6.2 inch middle plant saucer made of terracotta, the terracotta saucer provides critical airflow for healthy root aeration., Plant Saucer for Little Pot - 6 inch middle round plant saucer perfect for 4.5/5/5.5 inch bottom diameter terracotta pot or other flower pot with drainage., Smooth and slightly Raised Edge good for collecting excess water and soil spillage.