Iron wire gauze (24 SWG/10 Mesh) with ceramic coating at the center and folded edges. Contains no asbestos. Sold as packs of 10. Additional Info: Wire Gauze With Ceramic Center, 4"X4", Pk/10 Package Size(L x W x H): 4 X 4 X 0.2 (IN) Categories: Stands And Support, Gauze HTS Code: 8419.90.5040 UNSPSC: 4.11228e+007 Country Of Origin: INDIA