The 25ml ink refill bottle is a new product to add to the range of Montana Black products we carry. Shown here is the 25ml ink refill dye bottles, available in a range of 8 colours these inks are made with an alcohol base. Each ink refill bottle has a specially designed spout for clean & easy refilling, the inks are all UV resistant, waterproof & can be used on any surface. Shown here is the 2nml Ink Refill in the colour BLACK