Liquid Chalk Markers by Colore ★ FREE BONUS: One Silicone Pen Holder, Color Of Pen Holder Varies (pink, yellow, green, blue, orange). ★ FEATURES: Dual Tip Design Chalk Markers, Interchangeable Between Bullet and Chisel Tip. ★ VIBRANT COLORS: Available in 8 vivid colors including purple, white, blue, yellow, orange, pink, red and green. ★ BENEFITS: Fine tip liquid fluorescent neon marker for non-porous chalkboards. Allow users to make use well-defined lines and prevent smudging. ★ IMPORTANT NOTE: Works Best On Non-Porous Surfaces. Always Test On Small Area First To See If It Wipes Off.