Livestock > Sheep & Goat Supplies Ewe Marking Crayons Price $6.71 Stock status: Out of Stock Stock status: In Stock Product Code: RJ287 Qty: Description Sizing Information Reviews Ewe Marking Crayons Marking Crayons for use with Marking Harness (sold separately). Available in blue, green, red and orange. Use "cold" (blue base) crayon in weather below 50ºF. Use "mild" (brown base) crayon between 50ºand 85ºF. Use "hot" (red base) crayon above 85ºF.