These straw toppers fit most standard reusable straws (ie. Stanley, Simple Modern, Starbucks, etc.) The straw topper housing (base) can be made to fit 8 or 10 mm straws. Choose the size during checkout.
Not dishwasher safe – hand wash only
CHILD CHOKING HAZARD: It is not recommended for children. This item has small parts that may be a choking risk.