The Bibs Glass Bottle Set made from borosilicate glass that is temperature and thermal shock resistant. 

Features 

• Made of borosilicate glass, does not emit microplastics into milk
• Include Slow flow Round nipple made of  natural rubber latex
• The round nipple matches the nipple from the popular BIBS Colour pacifier
• Designed with an anti-colic function
• All parts contained within the Glass Bottle Set made of 100% safe food-grade material perfect for your babies needs 

Set Contains 

• Glass bottle 225 ml / 8 oz
• Cap 
• 1 Nipple (slow flow) 
• Milk lock (for hygienic and easy storage)
• Screwcap (screwcap makes it easier to take bottle on the go without having to worry about spilling milk/formula throughout your bag or stroller) 
• Foldable Funnel (this makes it easier for you to fill up the bottle fast without wasting lots of milk/formula.)

Nipple Information 

The Nipple of the Glass Bottle comes with an anti-colic valve which effectively reduces air swallowing while feeding. The Nipple is produced of natural rubber latex. Due to its natural materials color variation may occur over time.