Smoothies are premium metal clay sanding sticks. Cushioned boards in coarse, medium and fine grits for sanding, shaping and smoothing metal clay prior to firing and for finishing all types of metal. Smoothies are long lasting; use the Smoothies Brush to clean them and use them again and again. Recover all your valuable silver dust with the Smoothies Brush and the Smoothies Mini Brush. The kit also includes the Smoothies Buff to keep your finished pieces free of tarnish. Just a quick rub with the Smoothies Buff and your polished jewelry will shine and sparkle like new.