Pebeo plastic gutta applicator bottle is used for silk painting. The gutta has to be filled in the bottle then, cut the end of the tip then apply the gutta to the silk to create your own design. Its a plastic refillable bottle perfect for the neat and steady application of Gutta in silk painting. Can also be used to apply other types of resists or blocks and silk painting mediums. Also available are Minerva replacement tips to control a finer line, in sizes 0.3 or 0.5 mm.