This set includes 15 ml. of bold Halloween colors to make your suncatchers spookier than ever! Plastic tubes make these paint pens easy to use for young artists while the narrow tips provide plenty of control over your paint. Add these colors to one of our many Halloween suncatcher crafts. Just continue shopping our site to find them all. Safe and non-toxic. (2 dozen per unit) 4 3/4" Please remove plug from tip of pen before use.