Aluminum insulated Diabetes Insulin Pen Case for Insulin pen/Syringes, enhanced cold, 2 pens or Larger insulin pen and others. Size: 7 5/8″ x 3 1/2″ x 1 5/8″ H Pocket Material:EVA/PU, Reusable Ice Pack: Non-Toxic pure water & gel Package included 2 pcs of ice gel pack, keep one as spare. Ice pack weight: 3.4 oz which is meet the TSA liquids Rule .