These Bob Ross brushes are made from natural bristle hair and shaped according to Bob's precise specifications to make them perfect for Landscape painting. There are an assortment of sizes and brushes types to choose from, each helping you to achieve unique painting techniques such as Bob Ross' famous Wet-on-Wet Technique. Landscape Brush 2.5 cm - One of the four large landscape brushes commonly used in the Bob Ross Wet-on-Wet Technique. It is used to apply Liquid White/Black/Clear, paint clouds, skies, water, mountains, trees, bushes and numerous other effects with surprising detail. Background Brush 5 cm - To create all of the effects that the 1inch; brush is used for, yet large enough to cover large areas very rapidly. Soft Blender 5 cm - To achieve all of those soft, delicate, subtle areas so often found in landscapes and seascapes: skies with soft, wispy clouds, the misty areas at the base of mountains, background trees and waterfalls. In seascapes, the 2inch; Blender is especially effective for blending the transparency or “eyeinch; of the large wave. Round Foliage - This brush will create numerous fantastic effects such as clouds, foothills, trees and bushes. Fan Blenders - The small no. 3 Fan Brush is used to paint all of the same spectacular effects that the larger no. 6 Fan Brush creates, but with more detail. Can be used for tree effects. Script Liner - For the creation of long, fine lines, such as bare tree branches. Filbert - Used most commonly for the seascapes and can also be used for tree trunks and other small detail work. Oval Brush - primarily used for highlight and making foliage such as tress as well as for creating foothill effect.