Brush cleaning mat by Sigma. The PATENTED Sigma Spa® Brush Cleaning Mat is an innovative device featuring 7 patented textures to wash both eye and face brushes. The mat includes suction cups on the backside for secure placement on flat surfaces. Secure suction cups. Time-saving results. 7 exclusive, patented textures. Latex-free, BPA-free, Lead-free. Contains a non-toxic material. Made of high-grade silicone.