... ,OEM is welcome 2.size:0.8x8.8cm 3.comform to ASTM-D4236,EN71 and SGS. wax crayonscrayon set,color crayon ... .Our crayons are all non-toxic,safe for children,easy to write and mix the designed.2.They are all comform ... to the standards of ASTM-D4236,EN71 and SGS.3.They ...