Sketch Markers are the most popular of the Copic Markers. They are excellent for all forms of illustration, design, scrapbooks, fine art and more. These double-ended markers have an alcohol based ink that is fast drying, permanent, acid-free and non-toxic, and come in a vast variety of colors. They are refillable, constructed in a unique design for a more comfortable grip, and so they will not roll away from you. They can also be used with the Copic Airbrush system. Durable polyester nibs come in Medium Broad and Super Brush - a soft, flexible, fast-flowing brush for delicate or bold expression. Sketch markers have a 3-year shelf life and are guaranteed for color consistency. Available in over 300 colors. Papercrafting Set B includes: Cool Gray No. 1 (C1), Warm Gray No. 5 (W5), Ice Blue (B12), Light Blue (B14), Lapis Lazuli (B18), Baby Blue (B21), Cobalt Blue (B26), Ultramarine Blue (B29), Manganese Blue (B34), Powder Blue (B41), New Blue (BG02), Mint Green (BG13), Teal Blue (BG18), Aqua Mint (BG32), Nile Blue (BG45), Flagstone Blue (BG99), Pale Lavender (BV31), Fruit Pink (E02), Light Mahogany (E07), Burnt Sienna (E09), Light Suntan (E13), Dark Suntan (E15), Redwood (E19), Baby Skin Pink (E21), Caribe Cocoa (E25), Leather (E39), Milky White (E51), Raw Silk (E53), Light Walnut (E57), Walnut (E59), Jade Green (G00), Emerald Green (G05), Sea Green (G12), Apple Green (G14), Bright Parrot Green (G19), Willow (G24), Spring Dim Green (G82), Pinkish White (R00), Salmon Red (R05), Pale Cherry Pink (R11), Lipstick Orange (R17), Prawn (R24), Cadmium Red (R27), Garnet (R39), Fuchsia (RV09), Pale Pink (RV10), Pink (RV11), Deep Magenta (RV17), Red Violet (RV19), Dog Rose Flower (RV25), Crimson (RV29), Shadow Pink (RV32), Barium Yellow (Y00), Acid Yellow (Y08), Lemon Yellow (Y13), Golden Yellow (Y17), Napoli Yellow (Y19), Yellowish Beige (Y23), Mustard (Y26), Green Bice (YG01), Salad (YG05), Acid Green (YG07), Chartreuse (YG13), Grass Green (YG17), Cobalt Green (YG45), Pale Olive (YG95), Marine Green (YG99), Caramel (YR14), Apricot (YR16), Sanguine (YR18), Cream (YR21) & Yellow Ochre (YR23). Includes durable plastic storage case.