The FJT-350 straw set is designed for large-capacity mugs with a 350ml capacity. - Model Name: FJT-350 - Set Contents: Straw set - Capacity: 350ml only - Intended Use: For large-capacity mugs only I accidentally bought this ( ; _ ; ) I realized my mistake after opening the package, so I've taken the contents out once. I'm offering it at a low price. Thank you for looking.