... high temperature, and extreme chemical in laundry application 3.Diameter: 16, 20, 22mm Name:Laundry Tag Water-proof, resist high temperature ... , and extreme chemical in laundry applications Diameter: 16, 20, 22, 25mm or customizedOptional RFID ... Laser engrave serial numberApplications for the coin tag: Laundry application Process control and factory automation ...