The SHELL warning triangle with a case is mandatory car equipment, which includes:
- Compact design: Easily stored in a plastic case, takes up little space when folded.
- Safety: Used for warning during a stop or vehicle breakdown, in accordance with traffic regulations in most countries.
- Ease of use: Securely placed at a distance from the vehicle to warn other drivers of an obstacle on the road.
- Hazard indication: Also used to warn other road users about potential hazards, such as roadworks.