Features: Package includes 15 pcs dustless chalk with chalk holder and whiteboard eraser. Can be used on blackboards, chalkboards, walls, floors, and other surfaces. Easy to erase. Our dustless sidewalk chalk with chalk holder features a twist-up design that helps keep hands clean. The chalk is water soluble and easy to clean—simply wipe with water or a damp cloth. This colorful chalk is a great choice for children who enjoy drawing and creative play. Ideal for use in offices, schools, or at home on blackboards, paper, windows, wood, and more for writing, drawing, and doodling. Specifications: Material: Paint, Plastic Color: 12 colors as shown in picture Size: Approximately 10.5 x 2.2 x 2.2 cm (4.13 x 0.87 x 0.87 in) Weight: Approximately 300 g Package Includes: - 15 pcs Dustless Chalk with Chalk Holder - 1 pc Whiteboard Eraser Note: 1. Please allow 0–1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 2. Due to differences in monitor displays, the actual color may vary slightly from the image.