Paper Crafter Crayons™ are highly-pigmented wax crayons that can be used on all types of crafting surfaces like cardstock, chipboard, canvas, embossed and textured paper, even wood, glass and ceramic. Mix and Match with wet mediums, like inks, paints, Gelatos™ and Art GRIP® Aquarelles to create colorful wax resist effects. Just doodle, trace, draw or write a message, then cover the crayons marks with the wet medium and the marks will "resist" the wet medium and show through! The Paper Crafter Crayons™ have a twist-up design that allows you to sharpen the crayons. They are wax-based medium for new techniques and available in 24 brilliant colors.