Take your mixology game to the next level with the S’well Cocktail Shaker. This sophisticated shaker and stainless steel jigger keep cocktails and mocktails measured, mixed, and chilled for effortless entertaining. Vacuum insulation combined with a copper layer creates a condensation-free grip that won't sweat on your wooden table or countertop. Ice cubes fit effortlessly inside. The small cup measures .75oz and the large cup measures 1.5oz. Hand wash only.