Are Crayola products acid free and permanent?

Crayola acid free products include: Crayola Acrylic Paint Washable Glue Sticks Washable Squeezables 3-D Paint Washable Glitter Glue (except Super Sparkle) Total Tools Glue Roller Most other Crayola products have a mid-range pH level, but we cannot guarantee they are acid free. The colour pigments contained in most Crayola products are not permanent and will fade over time when exposed to light; however, Crayola Portfolio Series Acrylic paints are considered permanent and lightfast on most paper surfaces.