Hi-Vis Group Y. Certified to EN ISO 20471 - class 2, EN 343 - class 3/1 and EN 342 - class 3/2 (2,4 clo). The product is certified with maximum 0,4500 m² logo area. This approved area must not be exceeded. Logo on, respectively, front or back of the product can constitute only a maximum of 50% of the total approved logo area in order to maintain the EN ISO 20471-certification.