This Copic® marker is a versatile double - ended refillable marker with fast - drying, permanent non - toxic ink, ideal for calligraphy, airbrushing and graphic arts applications This marker features a broad tip on one end offering smooth, consistent coverage for large areas, while the fine tip on the other end allows for easy detail workDries acid - freeSquare, rounded - edge barrel designed for comfortAlcohol - based ink is permanent, non - toxic, and dries acid - free Design, Copic Markers, Copic, Markers, Graphic Arts, Air Dry Clay, Air Dry, Joanns Fabric And Crafts, Craft Stores