the cup is great but would be better without the clear topper
596627
I like this but I don't think my (finicky) bird does.  He is constantly trying to twirl the cup out of the lock position.  Today, I found him biting on the plastic cover.  If there was a way to remove the clear plastic cover, I would use it without.  The cover also makes it difficult to wash well.  Hard to get a sponge or hand (or both) inside to the bottom of the cup and manually scrub.  If the clear plastic topper comes off, please tell me how it's done.
4900956
This is a good bathroom cup/glass, however the clear part on the bottom came off after I washed it in my dishwasher (top shelf). I don't think this should have happened, but since I used it already I didn't think I could return it.
4585478
I enjoy the features of this cup, definitely good ideas. But the design of the lid is poor, not even a dishwasher can clean around the sealing mechanism in the lid very well. I have had two of these cups for the past year and avoid using them because of the very noticeable difference in taste they give the coffee.
2147603
The cup is great. The lid works great and the shape stays in tact although it is rubber. It is easy to drink through the lid as well.

The only downside is that the inside of the cup is shaped more like a V instead of a U. The very bottom is narrow so it's harder to reach/clean even for my small hands. That is the only reason why it was 4/5 instead of 5/5.

Overall, I like the cup and would recommend it.
359894
The cup is nice, but the silicone cap is terrible. You have to be very careful with the lid or it will spill.
1597927
The cup stays really cold all day but the lid doesn't come apart so you can't clean under the opening slide part. AND My Husband dropped the lid and it broke (slide piece broke off). He can still use but it doesn't close. I probably won't by again unless lid is a different design.
3795807
Not a bad cup... unfortunately the bottom was only held on by hot glue and it had come loose on me and fell off. As well as the chrome trim on the lid I had to glue down because it slid off on me when removing the lid. I tried putting more hot glue on the base and it held for another week or so then it came loose again. This time I tried gorilla glue and the gorilla glue held great! Until I opened the cup to pour coffee in and the glue had busted through the bottom at a weak spot. So much for my favorite cup
4244990
I recently purchased this and LOVED it until the plunger for the open/close button gave out.  I still use it without the small circular disk that screws into the lid.  Overall great coffee cup.
3855392
It's true, the cup is awesome and has great potential; however, after only a few months they have all cracked inside and it leaks all over the place.  I've purchased 4 cups and only have one left that hasn't cracked.  My dad drinks hot coffee in them and hand washes them as he doesn't have a dishwasher.  Otherwise I was very happy with the customer service and product.
4399901
reasonably good, except the cap design could be better, its pain to keep having to remve it and it falls into the cup sometimes
2878729
The cup has awesome insulation.  Ice stays in the cup for hours.  The only downside is the lid.  It is flimsy.  With a better lid that is somewhat insulated I would give a great 5 star product.
1917801
Ok, maybe one star isn't justified but let me explain.

I gave the cup itself five stars, it's just awesome but the lid should come with it.  I know plastics and their cost, I'm pretty sure snow peak can fit the lid into their $50 cup and still make a decent profit margin.

Other than that the lid fits great and you really have to buy it if you have the cup.
3501649
The cup is beautiful and crafted very well but i honestly expected a little bit more material. its a wee bit light and i feel like if it fell off the table it would dent it or break it. I had intended for it to be drank from but it still makes a lovely display item.
4346945
I love the mug.  It's good quality material and looks authentic.  There's even a nice rubber grip that is actually a rubber grip and not fake at all.  I fooled a friend with this when he thought for sure I was going to ruin a $350 lens by putting it in the microwave.  :)  But there is a flaw that should be fixed.  The very nice top DOES NOT ATTACH.  Yep, it just sits there on top and can come off any time.  In fact, it's rather loose.  There is only a small plastic ring that fits down into the cup that does not screw on, nor does it have a rubber pressure fitting that makes it stay.  It's just there, easy to knock off.

But I still think it was worth the money because of the other features.
3637347
I bought this as a toothbrush cup for my bathroom.  It is plastic, not glass, which can be easy to miss.  The price is completely ridiculous for one plastic cup.  However it was the only cup I could find in this exact shade of green which perfectly matches my bathroom color scheme, and I thought the design looked nice.  (Although I wish it were glass.)  Amazon is the only place I've found that has this cup in this particular size.  (It comes in two sizes; this is the taller version.)

The biggest issue is that it has no packaging to protect it, so when I got it from Amazon it was all scratched up. I sent it back and got another.  That was scratched up too.  Now I have to send that back and try again, which is a pain and I may never get one that is in good condition if it has no packaging.
347684
I like the lid very much, but the cup itself is hollow, not like the foam filled older cups.  If it was foam filled, I would have given it 5 stars.
717862
We have several of these thermos straw cups. This one, along with two others we recently purchase, are not spill proof and leak when tipped over with the lid open. We still love the design, drinks stay relatively cool, nice color, sturdy cup. My kids, 5, 3 & 1 years old can use them on their own. Great cups, just wish they could go back to spill proof like they use to be.