Create colorful designs on 100% cotton or cotton/polyester blend fabrics using these Fine Line Fabric Markers. The precise point of the 10 Permanent Fabric Markers is great for making intricate designs. Make custom clothing or other DIY accessories with these Fabric Markers for kids, ages 4 & up. CRAYOLA FABRIC MARKERS: Features 10 Fine Line Markers for Fabric in assorted colors. FINE LINE MARKER SET: The precise point is great for intricate designs and details. PERMANENT MARKERS FOR FABRIC: These Fabric Markers are permanent on clothing. Best if used on 100% cotton or cotton/polyester blend fabric. FOR BEST RESULTS: Put a piece of paper under drawing area to prevent bleed through. Draw, applying light layers of ink until desired brightness is achieved. Adult assistance required to iron on the reverse side using a back and forth motion for 4 minutes to fix colors to fabric.