Speedball’s Fabric Block Printing Inks are made from a water-washable oil, these inks print with bold, opaque color and maintain a soft hand.
This extender base creates beautiful transparent color. 
The viscosity of your block printing ink will not be affected when using transparent base extender, so you will produce consistent results every time. 
Use the ink modifier to create beautiful results on both fabric and paper. 
There is no messy clean up when using this ink modifier. When you are done with your project this extender will come right off you using soap and water.