This basic set comes with three assorted bristles: 1). Leaf Vein Wolf Hair Stiff Brush B10 This brush is made of 100% natural weasel hair, which provide great flexibility and resiliency, spring back to a sharp point. A versatile detail brush that is suitable to draw veins on leaves, calyx of flowers and so on. It is known as "Leaf Vein" Brush in Chinese brush painting. Brush tip size: 2.2cm L, 1cm D; Brush Length: 19cm 2). SM White Cloud Sheep Hair Soft Brush B20 It is made of 100% natural sheep hair. A very useful soft hair for washes using side brush strokes. In Chinese it is called Baiyun or "white-cloud" brush, which is suitable to paint flower petals, birds feathers, and other small scale colour washes. Brush tip size: 2.5cm - 0.3cm L, 0.6cm D; Brush Length: 20cm 3). LG Bamboo and Orchid Wolf Hair Stiff Brush B30 This classic stiff hair brush is made of a blend of 90% weasel hair and 10% Rabbit hair(for better moisture holding). As it's name suggests, it is good for painting classical subject matters such as bamboo and orchid. Brush Tip size: 2.5cm - 0.6cm L, 0.8cm D; Brush Length: 20cm All three water brush pens come in black plastic handle with a transparent cap. The brush is very easy to clean, just squeeze out some water and brush it on a paper towel. Main care tip for the water brushes would be to clean and drain them before storing them when they are not going to be used for a while. I usually put them a in tooth brush box to store or carry to minimise evaporation and protect the brush tip.