Create breathtaking cakes and treats with these sparkling sugar crystals rainbow dust crystals are available in convenient 50g packs and can be applied to your cake via two different dispensing lids one is a half moon shape for pouring large amounts of sprinkles and the second lid is designed for light sprinklings although the crystals have vibrant colours and appear solid they are 100 edible this makes them perfect for creating landscapes and scenery on your cakes each sprinkle is gm fre