We have some minor basement flooding (damp floors vs. inches of water) and I was worried that our existing 'walkways' were encouraging mold. After trying a couple, lesser quality options, I did a web search and found these. My goals were height, airflow and comfort. I am so pleased with these tiles. Unlike the earlier ones, these stay together, look nice and are comfortable to step on. And, most importantly, they allow the moisture to evaporate. I originally bought a dozen to test in a specific area but I will be buying more. Thank you!