Variations available include three basic models:
(1) Traditional oval hard side (1 quart)
(2) Square medium side  (2 quart)
(3) Square soft side (light weight)  (2 quart)

There are three different caps
(a) Hydration vent with cap lid
(b) Hydration vent without cap lid
(c) Solid cap 

Definitions
cap lid  == a plastic flip top snap to cover hydration vent opening
insert is a rubber cup that fits inside the screw-top hydration Cap

ACCESSORIES:
You can separately order either insulated or canvas carry cases, plus a cup (cooking pot) or a fire-stand for the traditional shaped canteens.

Combine shipping automatically calculated for each item added to the order