Wilderness Medicine Team research study about temperature sensitive medications showed that Epipen temperature regulation with body heat appears to be the best solution especially during long travel. WaistPal Epipen belt makes it easy to carry and conceal up to two epinephrine auto injectors (ie,Epipen, Anapen). The first choice among active young adults and athletes. Stays in place even during intense workouts. For sizing measure waist circumference: if it measures 20 to 32 inches one Epipen pocket will sit on the front and the second pocket in the back Sold with no items inside. Auto-Injectors are not included. High grade neoprene material: Insulated, Water Resistant, and Fire-retardant.Waistpal undergarment “No buckles” waist sling.