BIC&reg; - Mark-It Permanent Markers, Fine Point and Ultra Fine Point, Assorted Colors, 36/Set - Sold As 1 Set - Bright, fun, smooth and fashionable. Durable permanent marker, long-lasting color Won't Dry Out when cap is left off for 2 weeks on classic colors: Blue, Black, Red and Green Acid-Free ink (no added acid; no measurable pH) ACMI approved non toxic Made in the USA of US & Foreign Parts (Fine and Ultra Fine only) Marks on just about everything including: glass, metal, plastic, photos, foils, coated paper, oily and damp surfaces