Glaze is a decorative art pen with raised writing you can feel! Glaze writes well on plastic and non-porous surfaces. Decorate and customize invitations, cards, CDs, vellum and plastic surfaces - they can also be used for rubber stamp embellishments, eliminating the need for powders and heat tools. For a beautiful stained glass effect, use on translucent and transparent surfaces and hang in the window. Glaze ink also resists water and can achieve the look of batik.Details:BlackSet of 2 pensIncludes a tips and techniques brochureWaterproof on most surfacesWrite slowly so the ink flows out thickly and allow time to dry completely about 10 minutes