This is not your everyday cocktail shaker! It features an over sized tapered top that fits into the shaker for optimal mixing. This is known as a Parisian style shaker or French style shaker. The tin and top are made of strong brushed stainless steel and can hold up to 18oz of liquid for cocktail mixing. This French style shaker would make a great addition behind your bar and your bartenders will thank you because it is so easy to use!