Keep food safe in your kitchen with the Progressive Chopping Mat Set. This set includes 4 color-coded 11" X 15" bendable mats - red for meat, yellow for poultry, green for vegetables and blue for fish. Two bonus 7.5" X 11" clear mats for chopping herbs or nuts are included. All 6 Progressive Chopping Mats are made of polypropylene. Also comes with 4 paring knives color coded as well to match the chopping mats.