There are holes in the top of the case to allow your brushes to breathe and dry well, which is important for part is that it can be used as a holder for your brushes while you work or if they need to dry or just as a carrying case Brush holder can hold 10 or more short-handled brushes (length: 4 to 10 inches), External closed size: 11 * 5.2 inches Perfect for protecting and organizing your brushes when you go out or work at , a must for painters, artists, even pencils. This case is made of good quality materials and is very Note: Perfect for protecting and organizing your brushes while traveling or at . Brushes are NOT INCLUDED! Color: Black Material: Cloth Size: About 29cm Package Contents: 2 * Brush Storage Bag Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.