JEM Decorative Bow Cutters, Set of 4. Simply pop the cutters in your JEM roller pad, grease the cutters with JEM petal base, pop your paste over the top and roll your rolling pin over the back of the cutters to achieve neat, clean cut outs. Average cutter size 35 x 35 mm (1 ? x 1 ? in). Ideal for use with sugar paste, gum paste or flower modelling paste.