Feature●INNOVATIVE KNIFE COVERS – Use with Sofft Knives. They are made from our micropore sponge and sized specifically for use with Sofft Knives. Patented●INNOVATIVE KNIFE COVERS – Use with Sofft Knives. They are made from our micropore sponge and sized specifically for use with Sofft Knives. Patented●MICROPORE SPONGE – Made from our specially formulated semi-absorbent micropore sponge material. Developed for PanPastel Colors the sponge holds and releases just the right amount of color every time. Non-abrasive for a smooth, uniform finish●UNIQUE SHAPES - Designed specifically for artists and crafters. Shape is based on artists brush shapes to allow a wide range of mark making. Vary pressure when using with PanPastel to change line weight●VERSATILE – Developed for use with PanPastel Colors. Can also be used with water-based artist’s media●PACK OF 10 Sofft Covers Refill Pack – Point No. 4. Use with Sofft Knife No.4. For painting, drawing and mixed media. Cover size - each: 1 x 0.5" (26 x 13mm)Description