The Lion & Lady baby bottle is designed to limit microplastic exposure and be practical to use. It heats faster than plastic in hot water and accommodates most universal wide-neck teats. Baby Bottle Made with 100% Food Grade Stainless Steel The safety of stainless steel lies in its bacterial resistant properties. Unlike plastic, stainless steel stays strong and durable, feed after sterilisation after feed ! It won't shed microplastics into bottle contents. Our bottles are 200% repurposeful The flexible design allows you to freeze breastmilk and later, puree ! Our bottles are recyclable Producing these bottles has resulted in minimal toxic run off. Compared to plastic, the impact on the environment is minimal ! If you need to, the bottles are recyclable.