PP vs Glass Baby Bottles: Which Set Suits Your Routine?
By BIBS | Published: 2026-11-05
Category: Vergleiche
Compare BPA-free PP and borosilicate glass baby bottles on weight, heat resistance, material safety, and daily routine so you can pick the right first set.
Quick answer
Choose a BPA-free PP set for lightweight everyday feeding and travel, or a borosilicate glass set when heat resistance and zero microplastic emission matter most at home. Many parents keep one of each to cover both routines.
Weight and handling: the daily trade-off
PP bottles are made from lightweight, durable plastic, so they are easier to hold one-handed during night feeds and less bulky in a diaper bag. Glass bottles are heavier, and that weight is noticeable when you are feeding a newborn for 20 minutes at 3 a.m.
The trade-off is durability under drops. PP can crack or cloud over time with repeated washing and heating, while borosilicate glass is temperature- and thermal shock-resistant but still breakable if dropped on a hard floor. Neither material is indestructible, so choose based on where you feed most often.
Heat and material safety: what each material does well
Borosilicate glass is designed to handle heat and thermal shock, and it does not emit microplastics into the milk. That makes it a strong choice if you frequently warm feeds or want to avoid plastic contact with milk altogether.
BPA-free PP is lightweight and practical, but it is still plastic. It may retain heat differently and can wear with repeated high-temperature washing. If you choose PP, follow the manufacturer’s warming and cleaning instructions to extend its life. The supplied catalog does not list a specific maximum temperature for either bottle, so check the packaging before boiling or sterilizing.
Nipple and flow options: check before you commit
Both sets include a round silicone nipple, and both offer a flow type option. The PP set lists a slow-flow nipple option, which suits newborns and paced feeding. The glass set’s catalog description mentions a round nipple in natural rubber, while the option type is silicone—confirm the nipple material on the product page before ordering if your baby has a sensitivity.
Flow type matters more than bottle material for comfortable feeding. Start with slow flow and move up only if your baby seems frustrated or feeds take too long.
Trade-offs to weigh before you buy
- Weight vs. durability: PP is lighter for night feeds and travel but can cloud or crack with repeated heat; glass resists heat and thermal shock but is heavier and can break if dropped. Decide where most feeds happen: bedside and outings favor PP, home and kitchen favor glass.
- Material contact with milk: Borosilicate glass does not emit microplastics into the milk; BPA-free PP is still plastic and may wear with high-heat washing. If avoiding plastic contact is a priority, choose glass for the feeds you warm most often.
- Size and stage: The PP set comes in 150ml bottles, while the glass set is 240ml. A 150ml bottle suits newborn volumes; 240ml suits older babies drinking more per feed. Match bottle size to your baby’s current intake rather than buying the largest set upfront.
Product facts at a glance
- Baby BPA-Free PP Bottle Set 150ml 2 Pack Silicone - Ivory: Set includes two 150ml BPA-free PP bottles with a round silicone nipple and a slow-flow option. The 150ml size and slow-flow nipple suit newborn and early feeding routines, and the two-bottle pack gives you a spare between washes.
Baby BPA-Free PP Bottle Set 150ml 2 Pack Silicone - Ivory - Baby Glass Bottle Set 240ml Silicone - Blush: Made of borosilicate glass, which is temperature- and thermal shock-resistant and does not emit microplastics into the milk. This matters if you warm feeds often or want to avoid plastic contact with milk, though the 240ml size is better suited to older babies with larger appetites.
Baby Glass Bottle Set 240ml Silicone - Blush
Which set fits your routine?
Best for
- Parents who feed at night or on the go and want a lightweight, two-bottle starter set
- Families who prefer a slow-flow silicone nipple for newborns
Not for
- Parents who frequently warm feeds and want to avoid plastic contact with milk
- Households that need a larger 240ml bottle for an older baby
