This wire gauze is the perfect addition to any laboratory setting. The product features a 24 SWG/10 Mesh iron wire gauze with a ceramic coating at the center and folded edges for added durability. Measuring at 5" x 5" with a 3 1/2" ceramic center, this wire gauze is ideal for conducting experiments and heating substances over a Bunsen burner. Not only is it practical, but it also contains no asbestos, ensuring the safety of both the user and the environment. Whether you're a professional scientist or a student conducting experiments, this heat protecting gauze is a must-have for any science laboratory.