I’m a high school teacher who wakes up at 5am. I get really thirsty from talking so much during the day. I typically finish 30 ounces by 1pm-ish. No water bottle has ever been big enough. This 42 ounce is PERFECT! The wide mouth makes it so easy to clean and it even comes with a fluffy brush to clean it with (it doesn’t show pictures of it, wonder why). It doesn’t keep the water super cold all day but I bet if I added ice it would last longer. The handle makes it easy to carry and the silicone isn’t terribly difficult to slide on and off like some bottles are. Highly recommend! Love mine and soo many compliments on it alreadyGreat wager bottle, love the size and it doesn’t leak, not sure what other reviews are talking about. One thing I will say is that it molds pretty quickly so I clean it everyday… pretty easy to clean but still a hassle.the product is perfect but the straw has something wrong that can take sips of my drinklike the liquid dont come upI love everything about this bottle!! It doesn't keep water cold but that isn't very important to me. I like glass bottles because I feel like I can taste metal and plastic leeching into the water. This bottle is super easy to clean, very sturdy, and has a good volume. I love the straw it comes with and it has a detachable silicone mouth piece that's easy to clean as well. I put the whole thing in the top rack of the dishwasher.For the most part I liked it. Wish it wouldn't sweat so much, but that's glass for ya. Also, I put it in the freezer to cool, left it in there too long and it cracked. Had to toss it..bummerLove the glass, size, and ease to clean. I’m used to my insulated cups and had to get used to drinks not staying cold all day, but I still love the container.This is the best water bottle, easy to clean , keep water tasting fresh love it ?