Mr. Blue is here! The new nitro based ink to refill your markers. Mr.Blue is the blue ink you've been waiting for, it dries quickly, it is resistant to water, high and low temperatures and buffing. You'll be impressed by the power of Mr.Blue! Mr.Blue contains real nitro based paint which leaves a layer of colour on smooth surfaces; but with its additives it is also able to penetrate absorbing surfaces. Try it on glass! Mr. Blue comes in 250ml shock-resistant airtight bottles to avoid spilling any ink. Mr.Blue, the ink that makes a difference!