20pcs/box Dustless alk Set Drawing alks For Office Supplies Outdoor

Description: 100% brand new product Made of plant polymer ments, and there is no dust pollution during the writing process, environmental protection, safety and no damage to health. Paint is exquisite, the color rendering effect of the writing is very good, mu brighter than the traditional alk, and more durable, the service life is more than 10 times that of ordinary alk! Environmen friendly and non-, it does not hurt the skin, and it is very easy to wash with your hands. It is no longer washed with water. The writing on the blackboard can be erased with a damp cloth! Durable and not easy to break There are 20 in a box, single alk length 7.5cm Package Includes: 20pcs Dustless alks