The Owala 40oz Insulated Stainless-Steel Water Bottle with Locking Push-Button Lid easily tackles every thirst. With a built-in, easy-clean straw and a wide-mouth opening, the FreeSip reusable bottle is designed for drinking two different ways: sipping upright through the straw or tilting back to swig from the wide-mouth spout opening. $39.99. Free shipping. Buy here.