Since its launch in 2008, index has been a worldwide bestseller, helping reduce cross-contamination of food with a simple-yet-effective, color-coded system of boards. This latest variant features the same key benefits of the original, but with an updated case design. As before, the knife-friendly boards feature easy-grip tabs with food-type icons, non-slip feet on both sides and sloping edges to catch crumbs and liquids. The storage case also has a non-slip base. chopping boards – dishwasher safe. Storage case – wipe clean with a damp cloth. large/silver - board size: 13.25 x 9.5 inches, case size: 13.5 x 10.75 x 3.3 large/steel black - board size: 13.4 x 9.4 inches, case size: 14.8 x 11.2 x 3.3 large/steel multicolored - board size: 13.5 x 9.5 inches, case size: 15 x 10 x 3.5 small/silver - board size: 12 x 8 inches, case size: 12 x 9.25 x 3.25 small/silver with knives - board size: 12 x 8 inches, case size: 13.25 x 9.25 x 4