Three-dimensional (3-D) ink pen delivers a finished look with a raised effect that is delicate and can be crushed-down. Ideal for handmade craft cards, fun notes, letter, invitations, gift tags, drawings, rubber stamping, line borders, lettering templates, holiday ornaments, sticker embellishment and more. Selected surfaces for eye-catching results are nonporous surfaces such as plastics, coated papers, acetate, vellums and glass. Rollerball pen with a 1.0mm ball diameter delivers a bold 0.7mm line. Write slowly and allow to dry completely. Use on dark or light backgrounds. Souffle 3-D Opaque Ink Pen writes best on nonporous, clean, smooth surfaces. Meets Acmi nontoxicity standards. Not recommended for use on fabrics intended to be washed, on food service or ceramics that are washed. Not evaluated for cosmetic use on skin.