Crayons Size: 0.8 x 9 cm, 1.35 x 10.5 cm Packing: ... Colors: as per request Certification: ASTM, EN71, SGS CrayonsSize: 0.8 x 9 cm, or 1.35 x 10.5 cmColors ... : many colors as per requestPacking set: 4-colors, 6-colors, 8-colors, 12-colors, 16-colors, 24-colors, 30-colors, 48 ... ISO8124 - Part 1, 2 & 33. SGS4. ASTM D-4236Specifications:1. Crayons are non-toxic2. safe to children over 3 years3. OEM ...