These thick green chalk markers write on all Securit® chalkboards, glass, plastic, metal and any other non-porous surface. They are resistant to rain and smear-proof. Cleans with just water and cloth.
- Color: Yellow
- Chalk and water mix
- Hot soapy water or Windex for removing
- Rain resistant but not rain proof
- Smear proof
- Apply to any non-porous surface
- Model #: BLSMA510GR