[This review was collected as part of a promotion.] Me and my daughter loved these tumblers very much! I admire how beautiful they are, so great design and colours! They are very cute and convenient. I liked the idea of hidden straw that prevents dust and germs. And it is 100% leakproof due to a lock feature. İt's made from stainless steel and keeps liquids cold all day long. Great for those who takes care of hydration!

[This review was collected as part of a promotion.] I got right in these and started using them right away. Love that the straw in hidden for anti spill! Plus it keeps things cold/hot for 24hrs! Also enjoy that it fits in cup holder. They are big, so make sure you have room for the handle :)

[This review was collected as part of a promotion.] This is a great cup for travel. It has a handle for easy carrying and it fits in cup holders. The cup is easy to clean, it comes apart completely and is dishwasher safe. The straw goes down and is covered when not in use which is great so you don't get anything gross in your drink. One of the cups did leak from the top when tilted, however the other one did not. Still loving these cups!

[This review was collected as part of a promotion.] The colors of the blue cup is absolutely stunning. I love the trigger for hiding the straw too. It’s leakproof and holds a good amount of water. Feels like it’s a really good quality, but the lid is a little cheaper feeling. Overall, though, these are really nice.

[This review was collected as part of a promotion.] The Ello Oasis 30 oz Tumbler is a stylish and practical option for everyday hydration. The comfortable handle makes it easy to carry, and the retracting straw is a convenient, hygienic touch. Its insulated stainless steel design keeps drinks cold for hours The soft, silicone straw tucks away with a quick turn of the lid dial, making the lid leak-proof and keeping the drinking surface clean when not in use. It's perfect for school and on-the-go! No spills in bags with 100% leak-proof locking lid. A solid, well-designed tumbler for anyone who wants a large, easy-to-use cup for daily use. A little bit heavy when it is full, but much more better than other 40 oz ones.

[This review was collected as part of a promotion.] I wanted to love these cups because they are so beautiful. They aren't super heavy, but the cups are metal, which I prefer. These cups kept my ice frozen for about 16hrs, so I was happy with that since I work 14hrs/day. The main problem is with the lids. I love the idea of a retractable straw, but the inside of the lid has a pretty complex mechanism in order for the straw to function. Don't get me wrong, the straw so far pops up and goes down with no issues. But the drawbacks are in the cleaning. There are so many crevices inside of the lid that I'm not able to reach everything and it creeps me out. I do soak them, but there's also an exposed metal spring inside the lid and I worry about it rusting over time. All in all, I don't think I will continue to use these just based on how long it takes to clean them and it still doesn't seem like I've gotten everything.

[This review was collected as part of a promotion.] I cannot tell you how much I LOVE the Ello Oasis 30 oz tumblers! They are so worth the money. They are sturdy and so very nice! I love the leak proof retractable straw the most but I also love how they feel like they should be a thousand dollars. They just feel and look so nice. It's also so awesome that they keep your drink cold for up to 23 hours! That's amazing! I am very happy with these and I really love that they came in a 2 pack so my husband gets one too. They are perfect for our road trips cause they fit perfectly in the cup holder

[This review was collected as part of a promotion.] These cups are not only cute but super useful! They hold a lot of water! And they are spill proof! They are also super comfortable to hold as there is a resting spot for the thumb. 10/10 would recommend!

[This review was collected as part of a promotion.] I love these big cups they are portable and big and fit perfectly in cup holder . My favorite part of these cups are the retractable straw it's really nice to l be able to close my drink without taking my straw out you just flip the switch . These cups keep my beverage really nice a cold all day long . I love these colors on the two I received one is a beautiful cream color and other purple with bows my favorite one is the cream colored one these are going to be perfect for taking with me to the beach soon . I'd highly recommend this product. They are nicely made .

Don't buy. It doesn't keep cold for long and the straw mechanism broke within 3 days. Its completely useless now