JC Crafts 5 White Liquid Chalk Marker Variety Pack, 15mm Jumbo Tip, 6mm and 3mm Reversible Tips JC Crafts bold white liquid chalk marker VARIETY pack. 3 Size for More Options. Each set includes one jumbo 15mm marker, 2 fine 3mm reversible tip markers and 2 medium 6mm reversible tip markers. All the VARIETY you need for any project! Fine work, bold work and everything in between! Easy to create any bold projects! Enjoy creating decorations, writing on car windows, glass, mirrors, and the list goes on. Also, perfect for bistro and bar menu boards. Excellent for use on chalkboard stickers, chalkboard contact paper, metal, whiteboards, message boards and all non-porous surfaces. Create with bright ink and both bold lines! Dust-free use. Say goodbye to dusty chalk! Liquid chalk glides on smoothly and wipes away with a damp cloth. Brilliant white for easy visibility. Remember, if you want to use this on your blackboard or chalkboard you need to seal it first. If in doubt, always test in a small area first and leave for 24 hours. If you want to use it on pourus surfaces such as card, it does not erase. Satisfaction guaranteed. Great gift for any occasion.