Quilters love the creativity, versatility and convenience offered by the Dritz Quilting Chalk Cartridge Set. This complete quilting set features a cushion-grip pen cartridge with 4 mm chalks in assorted colors and 16 chalk refills in multiple colors and a sharpener to keep your chalk line fine. Easy to use, simply touch the top of the cartridge to extend the chalk. Also included is a reusable snap case to hold the chalk refills. The quilting chalks are perfect to use in crafts, sewing, quilting and scrapbooking. Details: Includes assorted colors 7.25'' x 3.5'' x 0.7'' Perfect for crafts, sewing, quilting, and scrapbooking Plastic Contents: 16 chalk refills, 4 mm each 1 plastic cartridge 1 sharpener 1 reusable plastic box