Ceres Chill Bloom Glass Baby Bottle
Ceres Chill
Bloom Glass Baby Bottle
Borosilicate glass with food-grade silicone parts. Not petroleum plastic, but the silicone is a synthetic, so a low-plastic 1 rather than plastic-free.
A 6 oz borosilicate glass bottle with food-grade silicone nipple, collar, flat cap, and sleeve. The brand states it is free of BPA, BPS, phthalates, PFAS, and lead.
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How this score breaks down
Strengths
- Borosilicate glass body with silicone nipple, collar, cap, and sleeve, no plastic touch points
- Brand states it is free of BPA, BPS, phthalates, PFAS, and lead
- Grows into a sip cup or dispenser with separate Companion Tops
- Lifetime warranty
Trade-offs
- Food-grade silicone is a synthetic polymer: not a petroleum plastic, but fossil-fuel made, not recyclable, and able to release trace siloxanes or particles under high heat or repeated sterilization
- Companion Tops and the chiller are sold separately
- No third-party non-toxic certification confirmed from a primary source
Scored on our durable-goods method (durables-v1, 2026-06-23). How we rank →
What's inside
A 6 oz borosilicate glass bottle whose nipple, collar, flat cap, and sleeve are all food-grade silicone, so no petroleum plastic touches the milk. Borosilicate glass is inert and does not leach or shed.
| Part | Material |
|---|---|
| Bottle | 6 oz borosilicate glass |
| Nipple, collar, flat cap, sleeve | Food-grade silicone |
Free of BPA, BPS, phthalates, PFAS, lead, plastic
- Packaging
- Durable and long-lasting; silicone is not curbside recyclable
- Microplastics
- The borosilicate glass body is inert and sheds nothing. The food-grade silicone parts are not a petroleum plastic and shed far less than plastic, though under high heat or repeated steam sterilization silicone can release trace particles or siloxanes.
Attributes
What this product is, at a glance.
Certifications
None listed. We only show independent third-party certifications we can verify with the issuing body, and this product does not currently hold any.
About Ceres Chill
Ceres Chill was invented by Lisa Myers, a lawyer and mother who went back to work with no discreet, safe way to store pumped breast milk in her office and designed a solution herself. The brand makes stainless steel breast-milk chillers and warmers along with bottles and feeding accessories.
Its stated mission is to break down the barriers breastfeeding parents face every day, with sustainability among its named values. It is a woman-founded, niche premium product positioned around being reusable and insulated, which cuts down on single-use storage bags, rather than around any third-party certification, of which it holds none on its site.
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