Reliance Aqua-Tainer -- Finding fresh water is the last thing you should worry about when youre traversing the backcountry or camping with friends. Trust the rugged and always-ready Reliance Aqua-Tainer to fuel your passion for years to come. The most popular and trusted water container on the market. The Original Aqua-Tainer is stackable when empty for compact storage and has some great features including a premium screw-on vent cap for easy dispensing, and a molded, easy to carry handle. The hideaway spigot reverses for safe, damage-free storage.