Lifefactory Baby Bottle, Glass, Yellow, 4 oz is available in Glass Bottles, Plastic Bottles

Made of the highest quality, thermal shock-resistant borosilicate glass, Lifefactory's baby bottles are able to go safely from the freezer to boiling water.Compatible with most major breastpumpsThis 4 oz. bottle comes with a polypropylene (PP#5) cap, a ring and stopper, and includes a Stage 1 (0 - 3 months) silicone nippleThe medical-grade silicone sleeve helps to protect the bottle if dropped and serves as an excellent, no-slip grip for little hands