Raide 500mL Locking Cap Flask Dry Bags and it is clearly marked

and it is clearly marked to indicate the optimum temperatures for warm smoking (50°C to 80°C) and hot smoking (80°C to 120°C)

tightly fitting the neck or head without constraining movements

leaving a patented abrasion resistance finish without causing damage to the delicate down material

3 mm foam padding

tuck in your items and off you go

Raide 500mL Locking Cap Flask Dry Bags and it is clearly markedBuilt for short to medium runs at 500mL in volume. The bottle features a locking cap so the nozzle does not leak due to pressure from the belt. Made by HydraPak. Features HydraPak low profile locking cap keeps the nozzle from leaking under the pressure across it that happens inside a belt. 500 mL stacks witht the 650mL in the back of the LF 2L. Compatible with Katadyn BeFree and HydraPak filter tops. Specs 500mL Volume 9. 5"x3"x1. 625" with cap on 40g