Glass bottles are chemically more safe than plastic, but who wants to deal with the hazards and hassles of broken glass when they break?  Well...Go Baby Life has come up with a genius solution - colorful silicone sleeves that protect the bottle from breaking when dropped up to 5 feet in the air onto a hard surface.  They have 2 sizes and are reasonably priced: $11.99/4-oz bottle, $18/9-oz. bottle. 

Check them out at gobabylife.com