Conforms to EN1150. 100% polyester fabric with velcro fastening. 50mm width reflective tape around the body and each shoulder. Washing Instructions: 1) Between 2 Shoulder Reflective Tapes at Rear - W17xH20cm. 2) Between 2 Horiontal Tapes at Rear - W42xH4cm. 3) Left & Right Hand Chest - W8xH8cm. 4) Between 2 Horiontal Tapes in front left & Right - W21xH4cm. (Based on Size Small).