Solvent based Non- Toxic Permanent Ink is available in blue, red, black and green colours. The Permanent Ink is specially developed for marking on plastic, poly and gunny bags, PVC, aluminium and plastic containers. The Permanent Ink is available in different size of plastic bottles with dropper ranging from 15 ml to 500 ml. Volume. Solvent based Non- Toxic Permanent Ink is available with quick drying capacity.