Check the listing for details. Mueller Medi Kit Mule, Black. Condition: New with box. Listed at 499.99 USD. The perfect equipment management system for the athletic trainer who wants ALL the options. Field tested roller bag with hideaway roller handle. Comfort-grip carry handles on sides of bag. Constructed from incredibly durable, wipe clean black tarpaulin that is water and stain resistant. Hideaway. adjustable padded contoured yoke backpack strap harness system easily distributes weight for maximum comfort with ergonomic backpack design. Hideaway zippers for optional modules (sold separately). Can easily transport many supplies and once organized, grab, roll, or backpack it anywhere. Main compartment can be accessed three ways. Customized internal main compartments SLIDERS Divider System. One view technology - all main compartments open completely for full view of contents. All compartments have air dry capability.