Edible gold flakes are made from 23k genuine gold leafs that are certified by the EU and US as edible and safe. Bestseller is size 2. Honey, Chocolates and Cake manufacturers buy these flakes to add a luxury touch to their products. Flake sizes: 1 is almost powder, 2 about 2mm, 3 about 7mm, and 4 is about 10mm. Size 0 is the largest about 2-5cm, irregular shapes.