This silicone mat from Craft Smart is suitable for cleaning all kinds of paint brushes. It is designed with various textures to accommodate various shapes and materials. Once your brushes are clean, simply hand wash in soapy water and reuse again and again! Details: White 6" x 12" x 0.06" (15.2cm x 30.4cm x 0.2 cm) Silicone Care Instructions: Before and after each use, hand wash in warm soapy water. Rinse and dry thoroughly. Avoid use of abrasive cleaners or scouring pads. Do not place directly on heat or open flame.