Waterresistant,strongmaterial. Extra pocket on the front for medications. Wear ribbons on the back. Lined for extra insulation. Velcro so that the bag can be opened quickly. ID tag for telephone, address and possible allergies. Dimensions: 18 cm long, 5.5 cm wide. Can be worn on a belt of max. 5cm wide, or on the loop. Suitable for 1 pen.