Richeson - Bamboo Brush Mat - Richesons bamboo brush mat offers airflow while drying as well as protection for all your favorite brushes! Sewn onto the bottom half of the mat is a sectioned brush holder made from 100% cotton cloth. There are 12 brush slots ranging from 2 inches to 5 inches wide. Just insert each brush handle into the sleeve and roll everything up! Ties closed with two elastic strings. Measures 13 3/4 inches x 14 1/4 inches.