Designed for both students and teachers, these chalk holders are great for use in classrooms and offices. The transparent plastic design allows for easy monitoring of chalk usage, while the adjustable feature ensures a secure grip on the chalk. To use, place the chalk into the holder and press the clip to extend the chalk as needed. This makes writing and drawing on blackboards more convenient and less messy. Features -Color:Transparent -Material:ABS -Size:9.00X1.50X1.50cm/3.54X0.59X0.59in -Easy to carry: lightweight and portable, these chalk holders can be easily carried in a bag or pocket, making them ideal for teachers and students -Clear visibility: the transparent design allows for easy visibility of the chalk, making it simple to see how much chalk is left and when it needs replacing -Quick chalk change: the twist mechanism makes changing chalk quick and easy, can continue writing without interruption -Great protection: designed to protect chalk from breaking, these holders ensure that your chalk lasts longer and remains intact -Sufficient quantity: with multiple holders in each pack, you have enough to use in various settings, whether in the classroom, office, or at home Package list: 10 x Chalk Holders