Sippy Cup Conversion Kit for Philips Avent Natural Baby Bottles

So helpful to transition from bottles to sippy cups. It took her a bit to understand the straw part. Eventually we just stopped using them and she could drink it like a cup. Worked perfectly with our glass bottles. No leaks, high quality, great for little hands!

I cannot tell you how much we love these! They fit perfectly with the advent bottles. It helped us transition from the bottle nipple to a suppose cup. Sometimes we have to take it back off and put it back on to get milk flowing (feels like something with pressure) or shake it, but our son has figured it out. No issues with leaking and relatively easy to clean.

This straw cup conversion for the Philips Avent bottles is amazing! My 9 month old had been using a honeybear cup that wasn't spill or leak proof, so I was looking for another straw cup solution. We also still had a handful of glass bottles that we weren't using anymore because baby had been refusing bottles for a few months (breastfed). This straw conversion fits and works perfectly on our 4oz bottles! There's an extra amount of straw down in the glass (see photos) because I believe they're intended for the larger bottles, but that hasn't impacted their functionality, especially since they are weighted. Very easy to use - this pops into the bottle screw ring, where you'd normally put a nipple. The handles on the side are easy for baby to grasp and hold on their own. These have a valved straw, so they don't leak. They're are a little annoying to clean, so I wash them in the dishwasher and they've held up well so far. It's been 10 days and I've been washing them once a day. My only real complaint is the price because I feel they are expensive for what they are. But I'm happy to be getting use out of our glass bottles again!

Ok, here's a long review but I hope it helps Cons... 1. Inner straw is just a thin as the munchkin straw 2. Cleaning brush is garbage (I use another brands brush to clean these) 3. I feel these are slightly over priced when you take into consideration its only the straw pieces and handle 4. I don't really feel like this is a con but people should know... This cup will OCCASIONALLY leak just like any other straw cup. The pressure builds up and milk will slowly push up through the valve. I don't own a single cup that doesn't do this. It's time for the Pros! 1. EASIER to clean!! The narrow inner straw can detach from the wider mouth portion of the straw. This feature alone make this cup superior to the munchkin cup. Additionally it's pieces are easy to clean unlike the Dr. Brown straw cups that have extra holes and valves. Technically the thin inner straw on the Advent cups are 3 pieces but I dont seperate the smaller parts for cleaning every time. 2. The valve on the outer straw is really close to the top of the straw. My son likes to flick his straws, splattering milk everywhere! The valve being at the top limits the splatter. 3. Outer straw is wide and looks like it's more comfortable in his mouth over the narrowness of a Dr. Brown straw cup. 4. I CUT the straw down to fit my smaller Advent bottles. I like that the length can be customized to fit my preferred bottle size. Of course you have to cut it just right to make it work. I'm not sure if the brand would recommend this due to possible error but it allows the straw to float right at the bottom like other straw cup brands. 5. I'm like the idea of converting my old bottles into straw cups to help reduce plastic waste. Like I mentioned above I do wish these were slightly cheaper seeing how the company is only proving a handle and straw. Things I'm indifferent about... 1. I don't like or dislike the handle. They are bulky so sometimes I don't add them if I'm taking this cup in a diaper bag. But they are way easier to use over silicone handles. 2. Sometimes the straw nipple is hard to get in the ring... it takes 3 extra seconds of effort but it's really no big deal as long as I slow down and focus.

I never review things I buy, so if I’m giving it a review, you know it’s real. I literally bought 5 different types of cups to transition my 1 year old off of baby bottles. 3 of them were weighted straw cups. None of them were right. Either the suction was nonexistent or it came with 400 parts to clean. Or my kid just hated it. I randomly came across these since we already used the Avent bottles anyway and figured I’d give them a shot. Best decision ever! The suction is great, the straw bends perfectly to reach every drop of milk, and the whole thing is super easy to clean. The straw comes off easily to clean it and there’s no leakage if she puts the bottle down. They work on both the glass and plastic bottles too. (The handles don’t work great on the plastic bottles but my kid doesn’t care.) My kid is officially off of baby nipples and is using a straw consistently. Buy them. I swear it’ll make your life so much easier. And save you some money too.

These fit so well with the Philips Avent Glass bottles, I love that I can even put the cap on and the straw doesnt bend! My baby is 9 months old and was already starting straws with the Dr Browns Milestone cup so this was perfect to transition her daytime bottles to for more independence! Washing them is so easy as well, I highly recommend to everyone!

Decent, except all but one of the handle rings arrived broken

My 8 month old is refusing nipples on bottles. I bought this and she has been loving it! Everything comes apart for easy cleaning. The straw mechanism is great for her and it is spill proof when you tip it upside down. It’s easy to take apart and put together. There is the option to not use the handles with the top.

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