4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA TEMPERATURE DISPLAY - New Upgrade Display , Each medicine cooler for travel is equipped with a thermometer() , allowing you to observe the temperature in the bag anytime, anywhere to ensure the safety of your medicine, and you can accurately calculate the cooling time of the ice pack. The sturdy case protects your medicine from crushing and deformation.<br> CARRY CONVENIENT - The diabetic supplies case is lightweight, compact but roomy enough to hold all the diabetic supplies you need. Easily fit into your luggage for journey, camping, traveling, or emergency kits. diabetes bags for supplies travel case to accompany you on your journey.<br> LONGER COOLING EFFECT - This insulin case has 2 latex-free ice packs and each weighing 180g, so it can keep cool for 8-10 hours after 12 hours of freezing, offering a longer cooling time for your meds.<br> GOOD INSULATION-This Insulin cooler travel case is lined with beautiful, padded & quilted layers of specialty material that provides a thermal insulating barrier, keeping warm things warm, and cold things cold.<br> HOW TO USE - Put 2 pieces ice packs in the freezer more than 6 to 9 hours before using the insulin bag outside. Then put your insulin pen, vial, or insulin needles into the designated compartment of the bag.