This is a Hobbytech Synthetic Starter Paint Brush Set of 3 round and 1 flat.

Synthetic paint brushes are an affordable, versatile and easy to access brush available to hobbyists. Suitable for beginners or advanced artists, they can be used with a variety of paints and on most surfaces. 

Synthetic Brushes come in a variety of shapes and sizes, most commonly flat or round and are a popular choice for those wanting to keep costs down and still get a good finish on their models. 

The size of a brush is shown by a number on the handle. Brushes can be as small as 20/0, then go up to 5/0, 000, 00, 0, 1, 2, and up. The higher the number, the bigger or wider the brush.

This pack includes 1x size 5/0 round brush, 1x size 2 round brush, 1x size 6 round brush & 1x size 4 flat brush.