This cup keeps my little one's drink cold all day, does not spill, cleans well in dishwasher. Lost a star because the outside always looks dirty, even if it's just water - always having to wipe it down. I also use a rubber strap to attach it to stroller, highchair, etc. and it works well.

This cup is extremely high-quality.It does not leak when it is turned upside down. The only leaking we have had happen is when my one year old throws it out of her highchair and it lands top side down on the floor.The one downside is that it will leave a small splatter mark, but it does not continue to leak as it sits on the floor.To its credit, this cup has taken some pretty mean spills from her hands out of her highchair, sometimes falling and sometimes being thrown, but it has never received a single dent, and the lid has never cracked or chipped.Something I do desire from this cup, although I know this company has other cups that have this feature, is that it had handles to go with its high-quality design.It is easy to use and easy to clean - the most difficult part of the cleaning process is getting the rubber sipply lid part out of the plastic lid part, but that’s not a big deal, especially when you consider the fact that it’s a leak proof cup - it’s totally worth the extra few seconds it takes to separate those two pieces as you clean it.

I searched around for a stainless steel cup for my toddler to keep his drinks cold longer during the summer time. It’s perfect. I was worried he wouldn’t figure out how to drink out of it but he drinks out of it easily and it keeps drinks cold like I was wanting. It’s easy to open and clean - the top unscrews and the rubber pieces pops out and can easily be washed. The size is great, too. He gets a decent amount of whatever he wants to drink and I don’t have to refill it repeatedly (for now). They had a few different colors and I ended up getting the green and blue, which I think look nice for a kids cup. It’s also very durable because my son has already chucked it on the ground a few times and it hasn’t dented (yet).

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Love this product.

The idea is great but the execution is poor. It is not a natural way to drink. Had to return it.

It's an incredible product. My son is using from past couple of months. This bottle is truely serving the purpose well. It's sturdy. Quality of steel,plastic and lid are very good. It's spill proof too. It can help child to facilitate transition from bottle to glass

I really like this insulated 360 cup for my 2 year old. He wasn’t a fan of 360s until recently, but this would be a great cup for younger toddlers as well. Since it’s stainless steel, it can get pretty heavy once it’s filled (especially with ice). I really wish they would put removable handles on the lid like some of Dr. Brown’s 360 cups.My son took this in the bathtub the other night, and even in warm water it stayed cold and chilled. The ice lasted a good 3 hours outside in 102° weather before melting! A little bit of condensation does form around the cup, so be sure to use coasters or place this on something that’s not easily damaged by water (easier said than done w/toddlers, am I right?!)! It fits in the cup holders of his UppaBaby Minu stroller & Graco 4Ever car seat.It’s pretty easy to keep clean, but I wish the top was silicone like Dr. Brown’s 360 cups (MUCH easier to rinse & keep clean). I usually wash this in the top rack of the dishwasher and it does great. it’s extremely durable and hasn’t leaked so far. In the past, our other munchkin 360 cups haven’t held up very well with teething, so I’d be cautious using these if your little one is cutting any teeth.Highly recommend this! Hope this helps. 😉

It is really leak proof, very solid, quantity sufficient for half day, easy to clean, works best while traveling, easiest method to train kids to have water with glass..

Good material quality

Great cup! The 360 spill-proof rim is truly amazing. It works the exact same way as the plastic version, but the base is stainless steel, which is awesome from a safety perspective. (The sieve piece is still plastic, but the liquid does not come into contact with that piece unless your child is actively drinking, so that's good enough for me) I'm attaching a few pics so you can see how it works, as well as one of my kid drinking while lying down. If she does this, she may get a few drops on her sleep sack, but no big spills.Unfortunately, so far Munchkin has only released a stainless version of the bigger 10oz. cup (with no handles -- see photos of stainless tumbler with green plastic collar and green top in my photos), however the lid is interchangeable with the smaller 7oz plastic cups (see photo of blue plastic cup with white collar/handles and blue top), so I simply use the stainless steel base with the handle top (see pic of stainless steel tumbler plus white plastic color/handles and blue top).I also love that this new model comes with a lid (that snaps on over the colored mouthpiece). The plastic versions, for some reason, do not, and it really makes all the difference in terms of preventing accidental spills in your diaper bag (without the lid, there's potential for something to push up against the rim and release some water).What else can I say, besides this is currently my kid's (22mo) favorite cup. She seems to prefer it at the moment to her straw cups.I'm also attaching a pic comparing size vs. a number of other popular sippy cups:BACK ROW, L to R: Camelbak Eddy, Thinkbaby Thinkster (stainless), Skip Hop, Munchkin 360 stainless (with handle top).FRONT ROW, L to R: Munchkin weighted straw cup, Oxo Tot, Pura 4oz straw cup, Thermos Foogo.FWIW, here are the other "non-toxic" sippy/straw cups we've tried, and how they compare to the Munchkin (aside from the obvious difference that they are all straw cups, whereas the Munchkin is a trainer cup that must be tilted to drink):- Thinkbaby Thinkster stainless straw cup (): Good size (10oz), it works well and is leakproof as long as you make sure the valve inside is properly covered. Handles are a little overkill maybe and don't fit into deeper cupholders.- Pura straw cup(): I like it and it's truly leakproof, but it doesn't have handles so harder IMO for a baby/toddler to grip. Only sippy cup on the market with zero plastic parts (the internal straw is silicone), which is cool. I also like that you can swap out different mouthpieces (bottle nipple, sippy spout, etc.) to grow with your baby. It's shown in the picture with the smaller (4oz) size, but there are also larger (10-12oz) sizes available (in both regular stainless steel and double-wall insulated)- Thermos Foogo (): Great cup. Our favorite for preschool lunch. Truly leakproof, and cap is attached so there are no pieces to lose. Also very easy to wash as there are only 4 parts (tumbler, lid, mouthpiece, straw). Note internal straw is plastic (I bought a silicone straw to swap in to avoid potential leaching issues). No handles, so maybe harder to grip for a baby/toddler.- Green Sprouts Sip n Straw Cup ():Glass inner tumbler encased in plastic. It's OK, but has way too many pieces on account of the additional plastic protective layer. Also not easy to travel with. Many parents have also reported breakage (though I haven't had that problem). On the plus side it comes with both a sippy spout and a straw top to grow with your baby...however the size is pretty small (4oz), possibly too small for some toddlers.- Caveman Cups (): I LOVE these open cups for my preschooler, but I don't give them to my toddler often for obvious reasons (no spill protection). Totally recommend if you're in the market for an open cup, though. Great, compact size, and have a fluted rather than rolled rim so no gross stuff can collect there. The sides don't flex, which seems to minimize accidental drops here. I even find myself reaching for them for me to use for myself, when I need a smaller juice glass size.- Kinderville cups (): Silicone open cups. Nice small (juice/kid cup) size. Overall I like them, however two minor issues cause me to reach for the Caveman Cups most of the time instead: 1) the walls are on the thicker side, which I think makes them slightly less comfortable to drink from, and 2) the silicone material flexes, which has caused my 4yo to drop them a few times by accident (i.e. when it gave in a way he wasn't expecting). I'd still reach for these over a plastic tumbler due to the safer material, however.