1 Piece Of One-Piece Frosted Smooth Material, Waterproof, Moisture-Proof And Mildew-Proof. The Four-Hole Segmented Vertical Design And Non-Slip Bottom Groove Can Firmly Fix Makeup Brushes, Eyebrow Pencil And Lipstick. Its Hollow Breathable Structure Can Quickly Drain Water And Keep The Brush Head Dry And Clean