(450) 4-packs of premium crayons (red, green, blue, yellow) safety tested compliant with astm d-4236 (1800 total crayons) craytastic! you will receive (450) 4-packs of premium crayons, each pack containing an assortment of four different colors (red, yellow, green, blue). these are perfect for birthday parties, restaurants, stores, hair salons, schools, camps, or anywhere you may need to keep kids busy! craytastic! brand crayons are measure 3.5 inches in size, are non-toxic, premium quality and fully safety tested for kids 5 & up! our crayons conform to safety standard astm d-4236 and are tested to meet lhama (labeling of hazardous art materials act) compliance and are lead-free, phthalates-free and asbestos-free.