Chalk pencil is a mixture of Chalk and Clay. The chalk will generally rub off while you are quilting, however the clay lines will remain on your top
Soho Pastel Square Stick Special Set
Chalk-Pastel Pencil - STABILO CarbOthello - ARTY+
Gen4473 General S Pastel Chalk Pencil Bulk Light Grey
LE PEN FLEX PASTEL COLORS — Marvy Uchida
Dark grey compressed chalk pencil for tracing and transferring patterns
General's Multi-Pastel Chalk pencil in dark grey
Chalk-pastel pencil STABILO CarbOthello - metal box with 24 colors
Art Supplies - Pastels - Faber-Castell Pastels - Pitt Pastel
Introduction to using Pastel Pencils
General's MultiPastel Chalk Pencils
General Pencil Light Grey Pastel Chalk Pencil - 123Stitch
Cretacolor White Chalk Pencil
Prismacolor Col-Erase Colored Pencil - Light Gray (20059)