Certificate: EN71, ASTM F963, CPSIA, ASTM D 4236, LHAMA for crayon Crayon Set Features:1), Certificate: EN71, ASTM F963, CPSIA, ASTM D 4236 for color pencil set.2), Crayon Size option: L88X8MM dia / L106X10MM dia / L106X12MM dia.3) Quality and competitive price for crayon are ensured.4) Delivery on time for crayon set is respected. 5) Assorted set options to choose.