The ModelCraft Micro Mask 30ml is just one of many modelling accessories suitable for every hobbyist from the beginner just starting out to expert model makers. Micro Mask is like masking tape in a bottle. Just apply it with a brush, let it dry, and cut it to any shape you want with a sharp-pointed knife. Peel out the part where you want to paint, leaving an outer stencil mask, and paint with the method of your choice. Just don't use a water-based paint over it because Micro Mask is water soluble, so use solvent-based paints. You can paint the finest detail you can cut with a knife. Unlike masking tape that can allow paint to go under it,even the most difficult designs come out sharp and clean with Micro Mask. Manufacturer: Microscale Model: MSMASK Micro Mask 30ml Volume: 30ml (1 fluid ounce)