EN12899, ASTM, SANS certified retroreflection: >= 300cd/lx.sqm white, yellow, red, green,blue, orange, brown. 1) Certification: ... EN12899, ASTM, SANS2) Coefficient of retroreflection: >= 300cd/lx.sqm3) Service life: 10 years for YSL1200, and 7 years ...