Pen-Shaped Chalk Fabric Marking Sewing Chalk is designed with a gear tip to draw more precise fine lines on a variety of materials including felt, suede, cotton , and more. Thread-on refillable sewing chalk is easy to install, leak-proof and clean. Simply unscrew the used refill and screw on a new refill to continue marking accurately. This precision sewing chalk works on all fabrics including cotton, leather, suede and synthetics. It enables you to accurately mark shortening jeans or modify seams. 3-Color Fabric Chalk Markers for Sewing - Our set includes red, yellow, and white fabric chalk markers that are perfect for accurately marking dark or light fabrics in sewing, quilting, and craft projects Ergonomic Chalk Markers - Not only are these chalk markers round, but their diameter is also close to that of regular markers. This makes these chalks easier to hold and use for marking fabric, whether you're using them for sewing, quilting, or patchwork Colour:Red & Yellow & White Material:ABS Package Contents: 3 * Tailor's Chalk Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.