Use this medium blending brush set to make smooth, seamless blends of water-based inks from ink pads or even ink markers. This blending brush set includes four brushes with a mix of wide oval and narrow brush heads that cover a large amount of surface area. Details: Gray with white bristles 4 blending brushes Polypropylene and artificial fiber Use to blend water-based inks on paper projects Clean using gentle soap and water; after washing, re-shape the bristles and allow to air dry Contents: 1 blending brush with brush head size: 0.9" x 1.4" (2.4cm x 3.8cm) 1 blending brush with brush head size: 0.7" x 1.1" (1.9cm x 3cm) 1 blending brush with brush head size: 1.5" x 1.9" (4cm x 5cm) 1 blending brush with brush head size: 0.7" x 0.11" (1.8cm x 0.3cm)