Amazon offers Prime members the Skip Hop Zoo Kids' Feeding Travel-To-Go Flip Top Straw 12-oz. Bottle in Otis Owl, Brooklyn Bee, Livie Ladybug, or Darby Dog, for $4.90 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.09.) That's the lowest total price we could find by $9. It's dishwasher-safe and comes with an extra straw.