With over 54 years of experience, Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Together with this core group of products, we continue to meet the needs our customers with our expanding range of fine art, hobby and craft supplies, our large selection of drawing room furniture, and our wide assortment of exclusively-designed products. The Copic Multiliner SP is a waterproof, bleed proof and pigment-based pen that is a very convenient and environmentally friendly. The pen is refillable with ink cartridges and the nib is replaceable. Each pen is made from durable aluminum and comes in a variety of sizes. Architects, designers, illustrators and sketch artists love these long lasting inking pens because they provide the highest quality for all their inking demands. 4 Bright in size Brush Tip. Pigment Based Inking Pens. Aluminum Body. Refill Cartridges. Replaceable Tips. Waterproof and Archival. Compatible with Copic Markers. Photocopy Safe - won't dissolve toner. Black color is not included in this set - must be ordered separately. Colors - Purple, Pink, Orange, and Turquoise. Copic Marker Products may only be shipped within North America the Caribbean and the islands of Hawaii with one exclusion; the island of Oahu may not be shipped Copic Marker Products.