Lifefactory Baby Bottles are made of the highest quality, thermal shock resistant borosilicate glass. This allows these glass bottles to transition safely from freezer to boiling water. The silicone sleeves provide a good gripping surface for little hands and help protect against the occasional drop.
-BPA and phthalate free
-4 oz: Stage 1 (0-3 months) nipple, 9 oz: Stage 2: (3-6 months) nipple
-Dishwasher safe
-All components are made in the USA or Europe