With Stanley cups being all the rage, let's do a little comparison between their 40oz version and the Hydrapeak 40oz. First, let's look at price. My 40oz Quencher H2.0 Tumbler (in Fog) was $40. My 40oz Hydrapeak Roadster (in Bubblegum) was $34.99 (currently on sale for $24.95!). Obviously a huge difference there. If you don't care about trends or brand names, then Hydrapeak is the winner there! I'm not an ice in my water kind of girl , so I unfortunately can't attest to how long ice lasts in either. My mother in law did an ice test in her Stanley, and it lasted all day long. Car Cup Holder Test: The Hydrapeak does fit in my car cup holder, but it doesn’t fit in everyone’s. The Stanley fits across the board. The Hydrapeak is just bulky, where the Stanley is more sleek and slender. Ok, let’s talk about the straws. A bad straw situation can bring out the worst in some people. 😬 #instagramcommentstaughtmethat The Hydrapeak straw is built into the li...