The OTF cap will fit on some other wide mouth bottles.
Fits's snugly around an OTF or OTG bottle, keeps your refreshment at a refreshing temperature longer.
Complete Lid for the Nalgene OTF Flask.
For being on the way or the cleansing here and there the sparkling cleaning tabs by SIGG are ideal.
The first bottle adapter kit with a 2-stage filter.
Extremely sturdy and corrosion-resistant titanium beaker.