Made of natural rubber. Ideal for scraping and mixing applications in the laboratory. Sold as a pack of 12 Additional Info: Rubber Policeman Only, Fits 5mm & 6mm Diameter Rods, Pk/12 Package Size(L x W x H): 2 X 4 X 4 (IN) Categories: Stirring Rods, Rubber HTS Code: 4016.99.6050 UNSPSC: 4.11218e+007 Country Of Origin: INDIA