Writes on almost everything! Writes on glass, windows, wood, cardboard, chalkboards, whiteboards, and paper. Washable chalk! Easy to clean! No need to worry about chalk marks on glass,table and clothes. All you need to do is rub it with a damp cloth or rub it in water. Chalk with Holder Protects your hands from direct contact with chalk avoiding drying and cracking caused chalk,also avoid the child put the chalks in the mouth. Not easy to break Chalk writes well, offering clear and distinct lines on chalkboards. It can be easy wiped by wet towel. Good for home office blackboard, greenboard for boys girls children writing, drawings, doodling. Safe Non toxic and Dustless Non toxic, safe and dustless chalks, length 3'', width 0.4'' , luckyrain chalk are made with nothing but the finest materials, and are completely safe for you and your family. 5PCS Chalk with Holder 12PCS Chalk with Holder 12PCS Chalk 12PCS White Chalk 4*12PCS Chalk Buying Options Add to Cart Buying Options Buying Options Add to Cart Customer Reviews 4.2 out of 5 stars 393 3.9 out of 5 stars 698 3.9 out of 5 stars 698 3.9 out of 5 stars 698 4.2 out of 5 stars 393 Price — no data $13.99$13.99 — no data — no data $23.99$23.99 Dustless ✓ ✓ ✓ ✓ ✓ With Holder ✓ ✓ no data no data no data