Material:Pen body:Plastic,water brush:Nylon brush tip with refillable reservoir.These brush pens are easy to clean, just washing it under water after used. Note: This set of water brush pens are not come with water in it. You can fill up the barrel by yourself to create a watercolour painting.
Small pen size: hair length: 1.4cm/0.55inch(Approx.), total length: approx. 12cm/4.72inch.
Medium pen size: Hair length: 1.6cm/0.63inch(Approx.), total length: approx. 12cm/4.72inch.
Large pen size: hair lenth: 1.7cm/0.67inch(Approx.), total length: approx. 12cm/4.72inch.
PACKAGE INCLUDED:3 Pcs x Water Brush Pens(1Pcs Small pen+1Pcs Medium pen+1Pcs Large pen)