Fit & Fresh Kids' 1-Cup Chilled Containers, Set of 4 Reusable Portion Control Containers with Removable Ice Packs, BPA-Free, Freezer/Microwave/Dishwasher Safe SET CONTENTS: Includes (4) 1 cup containers, (4) lids and (2) ice packs that snap into the lids KEEPS FOOD FRESH: Removable, reusable non-toxic ice packs snap into the lid to keep food chilled until lunch time ALWAYS HAVE THE RIGHT AMOUNT: Pack the perfect portion using the measurement markings on the side NEVER STRUGGLE WITH LIDS AGAIN: Large tabbed lids for easy opening MATERIALS YOU CAN TRUST: BPA free, dishwasher safe, microwave safe and freezer safe (do not microwave or dish-wash ice packs)