Sullivan's assorted triangle clay tailors chalk is easy to hold. Makes clean lines that can be washed out. Professional tailors chalk comes in bulk
Green Box Tailor's Soft Clay Chalk, White and Colorful, 10 Chalks per Box
Clover Triangle Clay Tailors Chalk - WAWAK Sewing Supplies
Sullivan's Triangle Clay Tailors Chalk - 12/Box Assorted Colors
Triangle Tailor's Chalk (Yellow) – Clover Needlecraft, Inc.
SSS Tailor's Clay Chalk, White and Colorful, 30 Chalks Per Box
Chalk Triangle
Triangle Tailor's Chalk (Yellow) – Clover Needlecraft, Inc.
SSS Tailor's Clay Chalk, White and Colorful, 30 Chalks Per Box
Tailors Chalk Dressmakers Chalk Sewing Chalk Clay Based Triangular Chalk New