Jason Markk Shoe Care Starter Kit. Jason Markk's Starter Kit is the ideal way to kickstart your shoe cleaning routine! This kit pairs a 2 ounce bottle of their high quality, concentrated Deep Cleaning Solution with their stiff bristled Durables Starter Brush - the perfect duo to safely deliver exceptional cleaning and conditioning. Safe on most materials. Cleans and conditions. Concentrated formula. Eco-friendly ingredients. Imported.