Big Thumb - Chalk Markers - Set of 8 Size_40 Highly scratch resistant material developed

Highly scratch resistant material developed for the watch industry and space shuttle

- 3/4 length sleeves

The infrared heat from an FIR heating pad penetrates into deeper tissues that

reduce drying time by up to 30% (or up to 50% with more balls)

Big Thumb - Chalk Markers - Set of 8 Size_40 Highly scratch resistant material developed3mm Reversable Tip The chalk pens will erase off non porous surfaces, such as blackboards (wet erase), mirrors (dry erase), windows, glass, and the Chalkboard, School Board, Whiteboard, LED Board, Car Windows, Glass or Window, Plastic & Metal, Ceramics, Sign. When you make mistakes drawing, you can easily erase and refill them, Remove the ink using a damp cloth or paper towel. *Be careful for use on non porous surfaces; NOT use any chalk markers on