Cake Craft Isomalt Knibs and/or chunks CLEAR 250g. Isolmalt is a sugar-free candy used for sugar sculptures that resists crystallization. Isomalt knibs are the hot new cake decoration tool in the market. It is derived from sucrose and preferred by pastry and cake professionals for its stability and usability. These unique knibs can be melted in the microwave, making it easy to add sparkle and dimension to cakes. It is also ideal for creating free-standing sugar showpieces. It provides consistent, high-quality performance time after time. Isomalt Clear nibs can be coloured if required with gel colours.