Random Colors Keep Hands Clean: The colorful plastic chalk clip holder protects your hands from direct contact with chalk, keeping fingers clean. It helps prevent chalk from cracking and breaking, even if dropped from a desk, effectively reducing waste. Size Details: The chalk holder measures approximately 12.5 cm (4.92 inches) in length and fits chalk with a diameter of approximately 2.5 cm (1 inch). Features an elastic buckle for simple length adjustment and easy operation. High-Quality Material: Made from durable plastic, the holder is sturdy and resistant to rust and corrosion, ensuring a long service life. Provides clear and distinct lines on chalkboards and can be easily wiped clean with a damp cloth. Multipurpose Use: Adjustable and convenient to use and clean, this chalk holder helps prevent chalk breakage and improves chalk usage efficiency. Ideal for children, students, teachers, and office workers. Suitable for use in schools, offices, and homes.