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Owala FreeSip Insulated Stainless Steel Water Bottle With Straw ($28)

Step aside, Stanley! There's a new water bottle in town. What separates this one from the pack are its playful colorways and the fact that you can sip it one of two ways: either upright through the built-in straw or tilting back to swig from the spout. It has over 30,000 five-star ratings and even has celebrity fans, including Hilary Duff.