Crayola class pack markers make it economical and convenient to provide students with all the markers they need. Classic long-lasting durable Crayola markers lay down brilliant color while their water-based ink doesn t bleed through typical paper. If caps are left off marker tips can be revived within seconds in warm water. Durable nibs are safely secured in barrels. Versatile 5 x 5/8 conical tip markers write at any angle. Extended caps offer safety and identify the color of the ink. Markers are certified AP nontoxic and conform to ASTM D-4236. This item has 16 markers of each of 16 assorted colors totaling 256 markers in the set. This item does not have six plastic bins included in the set.