For 18inchx18inch warning safety flags, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 18inchx18inch warning safety flags has been well received by many customers and enjoyed a good reputation in many countries. Bollison 18inchx18inch warning safety flags have characteristic design & practical performance & competitive price, for more information on the 18inchx18inch warning safety flags, please feel free to contact us.