The Whey King Soft Flask is your ultimate hydration companion. Whether you're hitting the gym, going for a run, this flask ensures you stay refreshed. Crafted with fitness enthusiasts in mind, this soft flask features a collapsible design. As you drink, it collapses, reducing its size for easy storage. No more bulky water bottles! The cap ensures a leak-proof experience, so you can toss it in your bag worry-free.