Tsukineko Ink Droppers. Ink droppers are versatile tools that can be used for fabric art, quilting, marbling, scrapbooking, stamping, diluting and many other creative projects! Soft clear plastic with measuring marks allows you to draw up Tsukineko and other inks, dyes, etc. This package contains three (3) 3.5 in. high ink droppers; each holds a maximum capacity of 1.5mL.