Specifications1. Hazchems Placards 2.250x250mm or 300x300mm 3.Self Adhesive 4.Reflective film or Vinyl 5.Working life: 3 yearsA vehicle with flammable liquid or radioactive substances, should have an appropriate warning sign on the vehicle body. .Manufactured from aluminum /self adhesive and printed with black inks, these signs are designed to make people aware of a nearby danger..Extremely durable surface.Stands up waterproof, dirtproof, agniest grease, salt, weak acids oil.OEM and ODM service are available