Description There are different kinds of colors including 20pcs dustless chalks, environmentally friendly and washable. You can quick write or paint smoothly on most chalkboards. It's easy to wipe also, with various colors, perfect for preschoolers or elementary students to draw on blackboards, chalkboard, sidewalks, backyard, patio, playgrounds and driveways! Features - Color: Red. - Material: Lime. - Size:10.50X2.50X2.50cm/4.13X0.98X0.98in. - Made of high-quality materials, strong and durable, safe to teachers. - Light weight and easy to carry, not easy to break, but smooth writing. - Choose from various different colors chalk and allow your creativity to be limitless. - Safe, washable and specially formulated to minimize chalk dust so it can be safely used indoors and outdoors. - Perfect for preschoolers or elementary students to draw on blackboards, chalkboard, sidewalks, backyard.Package list: 20 x Chalks