This set of 4 Prepworks by Progressive Flexible Chopping Mats are color coded to keep poultry, meats, vegetables and seafood separated. These flexible mats protect countertops and allow you to chop and transfer foods quickly and easily.- Prevents food cross contamination.- Chopping surface will not dull knives.- Can be rolled up space saving storage.- Dishwasher safe for easy cleaning.- 11" x 15" (each).- set of 4.- Sold as 1 Set..