This Platypus Platy Water Bottles is ideal for backpacking, travel or even the gym.

The 100% BPA- and taste-free Platy Bottles by Platypus when compared to a hard bottle of equal volume, weigh 80% less and take up a mere one fifth of the space when empty. Stash a few in your purse, breeze through airport security without wasting room in your carry-on, or just fill one with your favorite earthly grog and hit the trail. Collapsibility is versatility and you'll wonder how you ever got along without it.

• Collapsible, lightweight design
• Rolls up for easy, compact storage
• Modular design lets you create your own system
• Gusseted bottom keeps bottle upright for easier filling