Made From A Single Mold With The Highest Quality Crystaline AcrylicDESIGN: Each Brush Hole Has A Silicone Plug To Help Grip And Flex To Your Makeup Beauty Brush Handle SizeSIZE: Base = 5.12" x 5.12" Total height = 13.42" Hole diameters 1" (3 holes), .86" (4 holes), .47" (5 holes)ORGANIZE And Dry 12 Individual Beauty Brushes - Designed With 3 Hole Sizes