1.3 COMBO PACK OF SOFT FLASKS: This triple pack features three practical sizes—5oz/150ml, 8.5oz/250ml, and 13.5oz/400ml. Our collapsible water bottles provide a compact, eco-friendly hydration solution for active lifestyles. Perfect for runners, cyclists, and hikers, these soft flasks are designed to shrink as you drink, minimizing space and preventing sloshing during movement. - SHRINKS AS YOU DRINK: The innovative design allows the flask to conform to your hand and body, ensuring it remains comfortable and easy to carry. The intelligent bite valve and leak-resistant mouthpiece help prevent spills, making it ideal for vigorous activities. - STAY LIGHT ON YOUR FEET: Our lightweight construction ensures you stay agile without the burden of heavy gear. Committed to sustainability, our water bladder is reusable and made from 100% BPA and PVC-free materials, allowing for safe and responsible hydration. - HYDRATION ON THE MOVE: Designed for high-energy activities like running, hiking, cycling, and climbing, this soft flask is your perfect companion. It easily folds to fit in your pocket or bag, ensuring you can take it anywhere. Additionally, our flasks can be frozen, serving as ice packs when needed. With five size variations available, this soft flask combo pack meets diverse hydration needs while providing a reliable, practical solution for your active lifestyle.