30 oz Insulated Black Tumbler with Removable Argentina Cow Leather Cowhide Sleeve. This sleeve features a light oil leather with Card deck tooled around a hair on cowhide inlay that can be easily removed from the 30oz Black Insulated Tumbler which comes complete with lid.Sleeve is designed to fit most name brand 30 oz tumblers.var TabbedPanels1=new Spry.Widget.TabbedPanels(TabbedPanels1);