Carlisle  (1064802) 18" x 26" StorPlus Colander [Set of 6] Reinforced top and bottom corners on both box and lid help prevent chipping and cracking Easy-grip handles have structural rib reinforcement to provide extra support for heavy loads Dishwasher safe The Product is NSF listed 12" x 18" box has side capacity indicators for quick inventory checks perfect for "prepping" and "portioning" of foods Quart gallon and liter capacity indicators (on 12" x 18" box) offer portion control for both domestic and international use StorPlus Boxes and Lids'