THIS PRODUCT COULD POTENTIALLY FREEZE IN COLD WEATHER.  PLEASE CONSIDER OVERNIGHT SHIPPING WHEN ORDERING THIS PRODUCT.  A REPLACEMENT WILL NOT BE SENT DUE TO FROZEN PRODUCTS. Hospira 30ml bacteriostatic water for injection, USP, is a sterile, multiple-dose, non-pyrogenic water for injection. Contains 0.9% (9 mg/mL) benzyl alcohol added as a bacteriostatic preservative. Bacteriostatic water for injection, USP, is a sterile, multiple-dose, non-pyrogenic water for injection.  Bacteriostatic Water for Injection is supplied in a multiple-dose 30 mL plastic flip top vial and is not pressurized.  Contains 0.9% (9 mg/mL) of benzyl alcohol added as a bacteriostatic preservative.