The Retro Top by Sigg fits all SIGG bottles. The Retro Top is black and aluminum. The Retro SIGG top is built to last sip after sip.
Sigg is a member of 1% For The Planet, donating to the protection of our earth's environment.
NOTE: DO NOT allow the liquid inside your SIGG bottle to FREEZE - this will crack your bottle and render it useless and SIGG bottles do not crack unless the liquid inside them froze.