It can be clean during class time Chalk is not easy to break Material: metal Size: 9 x1.3cm Color: Silver color:Silver Instruction manual: 1. Reduce chalk opponents and contaminated clothing; 2. Let your fingers no longer to worry about peeling; 3. Let your delicate lubricated by hand is no longer chalk harm; 4. Save chalk, chalk avoid being broken during use; 5. Can be used for a long time 6. The teacher's essential goods and exquisite senior gifts; 7. This product is suitable for ordinary schools with a diameter of ordinary chalk 9-10mm (If you have not reached of the 9 mm chalk, chalk this may be too thin, too many places to go on a folder). If you can put a large chalk chalk sets apart the front end of the clip pull bigger. Chalk off accidentally inside, open the upper end of the small white cap, Top with a pencil, pen to come out, and the method is very simple Package contains 3x chalk clip Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!