This smart soft medium sized zip up personal insulin pen pack carrier has a durable dark cover, LED Temperature Display, net pouch inside to hold cooling gel packs, barrier board to keep medication away from gel packs, strong robust zip, LED outer temperature display and internal probe. -Keeps medication at 2 - 8 degrees for up to 10 hours with one gel at ambient temperature 35 degrees -Comes with 2 x large Gel packs (each 190x100mm). The internal space can accommodates 4 pens that are up to 18cm long and 1.8cm in diameter; -Approx Weight with gel pack 550g -Great when traveling in hot climates and for going out and about. Not to be kept in direct sunlight.