Features: You will get 20Pieces retractable chalk holder, (randomly color), sufficient quantity to meet daily use and share. NOTICE: Chalks are not included. Our chalk holder will protect your hands from direct contact with chalk, keep fingers cleanly, effectively reduce waste. These adjustable chalk extenders retractable chalk lengthener ergonomic chalk holder. Widely used for home, classroom, office, school. Suitable for teacher, children and student, writing, drawing, calculating mathematical problem. Each chalk holder size 9.5x1.6cm/3.7x0.6inches, suitable for most blackboard chalks, simple adjustment of the length of the chalk and easy operation. Specifications: Component: PP Color: Randomly Color Size: Approx. 9.5x1.6cm/3.7x0.6in Weight: Approx. 200g Package Includes: 20Pieces Retractable Chalk Holder note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color