These Survival Liquid Flasks are the only of their kind to meet rigorous test criteria for abrasion resistance and durability. Constructed of multi-layered laminated plastic film, you can rely on these refillable flasks time after time.
These flasks can withstand extreme heat, so you can even fill them with boiling water (making them great body warmers in cold situations.) Each flask features a screw top cap.
The large flask holds 5 liters and features a built in handle and can be adapted to most all water straws and similar filtration threads.
The small flask is ideal to tuck away in the not so demanding of situations allowing you to pack your favorite whiskey along on a day hike. Ideal for any adventure, these flasks will keep your thirst quenched!