A myriad of Master Tools gives the stripes in this mug's flag design a touch of leather crafting flair. The unique flag graphic on this 12 oz. mug pairs with the Master Tool logo for star-spangled style that will turn heads. This double-walled, vacuum-insulated, stainless steel mug will keep your drink cold or hot for up to 12 hours and features a press-in, transparent, drink-through lid.