Dr. Brown's™ Chilling Insert for Breast Milk & Formula Chiller

I was skeptical about buying just the insert separately, but it’s exactly the same stainless steel core that came with the set and even fits the bottle perfectly. The silicone cap snaps on securely and hasn’t leaked a drop after a few days of use.

I was worried about leaks, but the stainless steel insert paired with that silicone cap has been completely mess-free in the diaper bag. The insert stays cold for hours, which saves me from having to re-chill a bottle mid-trip. It's a simple replacement part that really works as intended.

The silicone freezer cap seals tight enough that I can shake the bottle without any leaks, which is a huge relief. The stainless steel insert stays cold for hours during our nighttime feeds.

I’d been worried about leaks with other freezer caps, but this one’s silicone seal keeps everything dry. It’s nice to have a spare so I can always keep a chilled insert ready.

We go through these so fast with twins; having a backup, extra stainless steel insert means we can prep bottles for both the night feed and the day without waiting. The leakproof silicone cap seals perfectly even when the insert is tilted in the diaper bag.

This extra insert is a lifesaver for keeping the second bottle cold during the day. The leakproof silicone freezer cap seals tight without any drips, and I love that I can prep two inserts at once.

I picked up a second insert so I can always have a chilled one ready. The stainless steel insert keeps the milk cold for hours, and the leakproof cap means no messy spills in the diaper bag.

The silicone freezer cap really does stay leakproof—I can toss the insert in my diaper bag without worrying about spills. It keeps a bottle cold for hours during our afternoon outings, which is exactly what we needed for pumped milk on the go.

The stainless steel chilling insert holds the cold for hours, even after I've taken the bottle out of the cooler. The leakproof freezer cap seals tightly without any drips.

The silicone cap seals tightly enough that I can prep several inserts for the fridge without worrying about leaks. It keeps my milk cold for hours during outings.