Washable and opaque colorEnjoy the convenience brought by washable markers, whose opaque and bright colors can clearly express meaning.stackable designStackable design saves space and arranges your markers in an orderly manner for easy access.Waterproof bucketThe waterproof bucket ensures that your artwork remains intact even in humid environments.Erasable featureUtilize erasable features to easily correct errors or try new ideas.include:120 color acrylic mark single pen