Bi-colour pencils – get 2 colours in 1 pencil. Pencils come in 6 two-way pencils, so you actually have 12 super bright, rich & smooth colours. These are pre-sharpened pencils, hexagonal colour pencils for better grip & no-hassle use. Premium wood and better colour lead quality used. The full-bonded lead ensures that lead does not break while sharpening. And you can buy these guilt-free, because no rainforest or natural reserves destroyed while manufacturing. Non Toxic – Phthalate free (harmless).