These bottles have been independently tested and certified NOT TO LEACH bisphenol A and selected heavy metals.

They are made of 304 (hospital grade) stainless steel. Neck threads are also made of stainless steel, while caps are made of high density polyethylene. The inner surface of the bottles is unlined. 

No aluminium, phthalates, bisphenol-A or other chemicals which may contaminate drinking water have been used in the production of these bottles. 

Bottle colours available : silver (natural stainless steel), white and blue. 

These bottles now come with BOTH a loop cap AND a sports cap.  All caps are black.

Replacement loop and sports caps are available.

Hand washing is recommended.