Push-button flip-top straw for easy one-handed sipping, Triple wall prevents condensation and insulates your beverage, Keeps beverage cold for up to 24 hours. Hydraflow 34-oz. Hybrid Double Wall Stainless Steel Bottle, 2 Pack (Blush & Green) SET INCLUDES: (2) 34oz Bottles (2) Flip Straw Lids (4) Straws (1) Straw Cleaning Brush