1. Keep coolling for 6-8 hours. Freeze the ice packs in the freezer overnight before your travel.n2. You can carry everything you need for your insulin and the freezer pack too.n3.Small size,easy to carry, NO electricity or batteries needed.n4. Package Including: 1 pcs insulin bag + 2pcs ice packn5. Please put your insulin pen, refill, insulin bottles at the exactly designated areas, just for shaking resistance.nSize:7.87*3.54*1.57 in travel insulin cool bag