Durable Service: Surface are lined with PVC Oxford tarp, seam is reinforced, so that the insulin cooler not only waterproof, but also very durable. Clean easily just with damp cloth or wipes. In addition, the premium nylon Ice Packs are tough and durable for 10 years.Thermal Insulation: 2 upgerated latex-free cooler bags, aluminum foil interior and tighter zipper closure, form a closed environment in the insulin travel case, which keep your temperature-sensitive medications at fridge temperature for daily use.(3-4hour out of sun light)In the Package: 1*Diabetes Travel Case, 2*Reusable Ice Bags, 1*Carabiner, (*Insulin pens are not included) Warranty Support and 24hours Friendly Customer Service. Any issues about medication cooler for travel please feel free to contact us.Easy Carrying: 7.7"*3.4"*1.2", 6.4 ounces, compact and light. The elasticated loops ensure insulin vials/pen and diabetic supplies at the optimal position in the insulin pen case. Excellent for insulin or epipen for vacation, short trips, going to school and daily commutes.0perating Instruction: please freeze one or both ice packs for 12 hours, then put the insulin pen and medicines near the completely solidified packs, and other medical supplies on the other side, tighten the zipper and you have a on-the-go diabetic supplies carrying bag.