Tsukineko 1/2 Fluid Ounce Empty All Purpose Ink Bottle with Cap Tsukineko's 15-ml translucent wide-mouth plastic bottle and opaque white cap, this bottle is perfect for mixing and storing your custom inks colors Excellent for mixing and storing your custom ink colors Tsukineko recommends these bottles or use with its all-purpose Inks Fits perfectly in Tsukineko's all-purpose ink acrylic workstation for organization and storage; workstation helps to organize and transport inks 15-Ml bottle