89 COLORS MARKERS Shuttle Art 88 Vibrant Permanent Markers resist fading over time, bonus 1 colorless blender. Shuttle Art Dual Tip Alcohol Based Permanent Markers are rated for 300 meters of continuous use which provides you a vast amount of ink per marker. With upgrated 6slots magnetic marker box,you can rotate the folding plates to form a triangle marker holder to store the markers horizontally DUAL TIP Shuttle Art dual tip alcohol markers have both a 7mm chisel tip for quick coverage and a 1mm fine tip for detailed lining. In order to prevent the ink from bleeding in use, the tip should not stay on the paper for a long time. EASY TO BLEND INK SQUARE SHAPED Shuttle Art Dual Tip Markers blend and layer well without leaving streaks behind and drying quickly. Blending colors is a breeze by layering one unique color onto another creating an unlimited color palette. The unique ergonomic quadrilateral shaped barrel can be slipped easily and comfortably. Unique shape also prevents markers from rolling off smooth surfaces. CAUTIONSThe marker set is nontoxic and acidfree, safe for kids, students, adults and artists, conforming to ASTMD4236. In order to prevent the ink bleeding in use, the tip should not stay on the paper for a long time. Markers need to write on a specific mark paper so that it doesnt bleed to the next layer. To prevent the marker from drying and ink leaking, please recap and keep the marker laid flat after use. SERVICE GUARANTEE Your satisfaction is our top priority, please rest assured to purchase our products. If you are not satisfied with our products or have any questions, please feel free to contact us at any time.