Leather Hands-Free Travel Mug & Water Bottle Holder Kit Black top grain cowhide leather holder with polished steel fasteners. 16 oz. stainless steel double insulated travel mug. Sip slider hard plastic cap (no leaking). 3/4 inch wide black polypropylene webbed shoulder strap with shoulder pad - 1.5 to 3 foot adjustable length. Extra straps are included to mount on a bicycle or motorcycle (not pictured).