Beautifully decorate and DIY designs on multi-surfaces with this acrylic paint pen set. Each paint pen has a 4 mm tip, perfect for canvas work and is suitable on most surfaces. These easy to use permanent paint pens are quick to dry and have a matte finish. While wet, colors can be diluted with water for watercolor effects. The colors included in this set are White, Cyan, Red, and Black. Details: Includes assorted colors 4 mm tip 4 pieces Multi-Surface acrylic paint pens Pigmented colors Lightfast Versatile and easy to use While wet, colors can be diluted with water for watercolor effects Applications are permanent once dry Quick to dry, matte finish AP Certified Conforms to ASTM D 4236 Instructions: Prime and shake marker before use. Colors can be overlaid once dry. Close tightly after use. Store flat and protect from freezing.