Mix your drinks in style! This unique Mason jar shaker lid is sure to attract attention and comments! Use with any size regular mouth Mason jar – make a small, medium, or large batch of cocktails by switching in a half-pint, pint, or quart jar! Having a party? Keep backup quarts of cocktails in your fridge or freezer and just move this lid onto the new jars as you open them! Perfect for small spaces – no need to store a full cocktail shaker when you already have pint or quart jars in your cabinets! Now you have room for multiple shakers! 304 stainless steel will not rust. All parts are dishwasher safe.