The Nomad Travel Case medium with LED display is the ideal solution for short trips and outings. Suitable for carrying Epi Pen, Auvi-Q, tablets, inhaler, nasal spray, pens, vials, needles, swabs, eye drops and diabetic supplies. The temperature display will enable you to monitor the internal temperature whilst you are out. Comes with 2 x gel packs (21 x 8 cms) can keep articles inside at a temperature ranging from 2-24°C for about 12 hours when ambient temperature is not above 30 degree. INSTRUCTION FOR USE: Before using, put two ice packs in the freezer whose temperature is around -15 to -20°C for fully frozen. It takes about 10 to 12 hours. Then insert the packs into the net pocket of the insulin bag. After one minute, put insulin in the inner pocket