Detailed Product Description

The baby product  glass baby  bottles is made from  the glass  with high temperature  resistance BPA FREE , easy to clean. heat resistant to 600'c,thermal shock resistant to 200'c,expansion coefficient reach 30%.

The  glass bottles body is high  transparent, portable and litmusless, so it won't release harmful matter when meets acidic or alkalescent matter.

the silicone sleeve  is exquisite  and elegant.  it will change the color  if  the temperature above 42'c (optional).

The silicone sleeve is COLOR CHANGING ,this unique process tells you when the contents are over 42 Celsius degrees (too hot to feed your child.) When  the color changes back to  normal,it is at a safe temperature for the child to consume the fluid