Series 48320 is a long handled professional 11 brush set in Napa Italian leather case with snap. Lined inside with artificial leather for ease of cleaning. Includes Series 9620 Size 6 and 10, 37031, 36730, 41930, 43730, 43530, 44130, 90230, 93230, 97230. All Da Vinci handles are made with sustainable wood from German forestry. Manufactured in Germany by the Da Vinci factory. Family owned and operated since 1880, Da Vinci is the only green brush factory in the world.