Our Stain Brush is the ideal tool for removing stains on all fabrics, from delicate knits to sturdy linens. Rather than working a stain with your finger, use this brush to effectively treat the target area without harming the fabric. We never recommend using paper towels, washcloths, napkins, or sponges, as they leave behind bigger messes. Tips -This brush is safe for most fabrics, yarns, and constructions , Wet stained area, apply 43, and gently brush , For tougher stains on durable fabrics, brush on a mixture of 43 and 57 , Suitable to use with all of our detergents, including 22.