16.9oz Ultrapress Purifier Bottle Size:One Size the TwinLock valve system makes

the TwinLock valve system makes setting up and breaking camp a breeze

Scoop neck strap dress

Secondary compartment for books and binders

Weight: Travel - 1

16.9oz Ultrapress Purifier Bottle Size:One Size the TwinLock valve system makesCompact, discrete, and ridiculously easy to use the UltraPress Covert Edition fits into any pack pocket (or cup holder), requires zero setup, and makes 16. 9 ounces of clean purifier water in a blazing fast 10 seconds (3L min). Stealth on the go filtration and purification for the hiker, backpacker, hunter, or global adventurer seeking discretion and fast flow purified water for drinking, filling hydration reservoirs, or cooking.