Evernew water carry - collapsible water bottle made of 3-layer low odor polyethylene (BPA free). Offers a few extra features with no weight gain. A cap keeper and a removable shock cord keeps the bottle rolled up and compact. I can't tell you how many caps I have lost.
Collapsible design stows away when not in use
Very lightweight for the volume
Shock cord (removable) keeps bottle rolled when in pack
Cap keeper keeps cap attached to bottle so you won't loose it
Very durable, knurled cap provides good grip, even with mittens
BPA free - Made from 3-layer nylon/polyethylene
Volume: 600ml (EBY205) Dimension: 150mm x 240mm / 5.91 x 9.45 inches Weight: 26g