In the event of a breakdown you have to wear a safety vest when leaving the vehicle. In most countries the required colour is yellow. The four part vest set consists of 1xXXL, 1xXL vest as per EN ISO 2047 and 2x universal vests as per EN 1150: 1999. Inclusive storage bag. Material: 100% polyester. To wash at 40° gentle cycle. Do not chlorinate, not in the dryer.