Specification: 1.Outside size:230 65mm(H F) 2.Internal size :165 28mm(H F) 3.Capacity:2 Insulin pen and 4 Insulin refills together 4.Weight:600g Package Included: Insulin cooler cup 1, cold storage bottle 1, emergency bottle 1, pen bag 2, Thermometer 1. Instructions: Put the coolant in the refrigerator for 6-8 hours, after that take it out aside for 5 minutes,then put the frozen coolant in cooler cup,and then it will work. Note: After the cold coolant is frozen, it will become a solid at 32 F. Put the coolant into the cooler cup and tighten the lid for 5 minutes. Check the temperature inside,when temperature is stable at 35.6 F,take the medicine into it. If you have any problems , please feel free to contact us, we will offer proper solutions for you within 24 hours.?What You Get? Package Included: Insulin cooler cup 1, Cold storage bottle 1, Emergency bottle 1, Pen bag 2, Thermometer 1 instructions 1. ?Application? Mainly to be used to store and transport the insulin,Insulin injection refill,insulin pen,vaccine, growth hormone all medicines required to be stored in cold environment,at normal ambient temperature (2?-25?) condition. ?Super Capacity ?Can hold 2 Insulin pen and 4 Insulin refills injection at the same time. ?Efficient Cooling?Even if at an external temperature of 40?(104 F), the inside temperature can keep 2-8?(35.6-46.4 F)for 20 hours. Outside 30 C(86 F), it keep 2-8?(35.6-46.4 F)for 28 hours. ?Portable Size?It has a slim and fashion body, Outside size:230 65mm(H F), Internal size :165 28mm(H F).