Joseph Joseph"s Index Steel large chopping board set makes food safety in the kitchen a snap. The cutting board"s categorization system offers 4 color coded boards to distinguish at a glance which board is intended for which use: red for raw meat, blue for seafood, green for veggies and white for cooked foods. For further ease, the boards also have an illustrated tab indicating their use. The 4 boards store in staggered order making the right board readily accessible and are contained in a neat stainless steel storage case that has a non-slip base. Each board is made from dishwasher safe polypropylene and measures 13.4 by 9-1/2-inch.