The warning triangle is regulated according to the European Standard EC R27. It comes in a plastic case and a polyester pouch with hook & loop on the back to keep it in its place during driving. Always place it at 5° to the left of the vertical plane. The warning triangle is recommended to be placed 50-100 meters behind the troubled vehicle on an ordinary road, and 100-200 meters behind the troubled vehicle on a highway. Approval No: 27R-043555. ABS Plastic.