Made with an ultra strong, vinyl-coated nylon and a trim color. Bolt the heavy duty 2″ webbing straps to your vehicle and easily unsnap the bag to carry it where ever it is needed. Measures 15″ x 7″ x 4″. TIP: Buy a few bags with different piping colors to organize your items. Red for tools, green for parts, blue for rags and lubricants, etc.