GREAT FOR MEASURING AND CREATING PATTERNS: Chalk is a sewing gadget for professionals and casual enthusiasts alike, these sewing chalk markers for fabric can accurately mark lines when making or modifying garments, helping the process go more smoothly. Sewing chalk is easier to hold and use than traditional tailor's chalk, is less likely to stain your hands, and creates more accurate lines. The round design of the pen makes it comfortable to hold when marking on fabric EASY TO ERASE FABRIC MARKS: These tailor's chalks are stain- and 't leave hard-to-clean stains. You can easily wipe away chalk marks with your hands or, for fabrics that are more likely to mark, use a damp cloth or the like. DOSING WHEEL TECHNOLOGY: Chalk marks on most fabrics and features an efficient chalk dispensing wheel for size: About 10.5cm Material: plastic type & colour: B-1 x sewing writing instrument+2 x Replacement core, Yellow Package Contents: 1 x sewing writing instrument 2 x Replacement core 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.