Small whiteboard pen 0.8ml waterborne pen with brush tracing red erase pen teaching display training Material: Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 10g Package size: 12x2x2cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) 3. One Wipe Is Clean, Use: Innovative With Wipe Design, Whether It Is Practice Writing Or Painting Creation, Easy To A Clean Board, Economic And Affordable, Saving Resources. 4. Stimulate Imagination, Edutainment: Colorful Color Selection Opens The Door Of Children's Imagination, So That The Learning Process Is No Longer , Learning While Playing, And Growing Up In Happiness. . Improve Teaching Interaction And Spark Wisdom: In Training, School Education And Family Counseling, Enhance Interaction And Participation, Make Knowledge Points More , Improve Learning Efficiency And Fun. 2. Water-based Formula, Health And : Water-based Ink Is Used To That Children Are To Use, Easy To Wipe Without Hurting Hands, And Baby's Delicate Skin And Fresh Environment.