This artist quality knives and covers can be used to paint, draw and blend for new techniques and effects. The traditional painting knife has been transformed into a multi-use tool by adding the soft cover. Soft knives are made from a flexible and durable plastic material. Covers are made of a specially formulated semi-absorbent micropore sponge. The foam covers are reusable and feature micropore technology. Great for use with panpastels, water-based colors, polymer clays and ceramics. Finished effects are different to brushes as the brush stroke is eliminated. This package contains 1 flat knife and 5 flat foam covers. Knife measures 6-3/4-inch length.